diff --git a/test/spec/modules/sovrnBidAdapter_spec.js b/test/spec/modules/sovrnBidAdapter_spec.js
index 729c48c28f4..6fd5eecfb78 100644
--- a/test/spec/modules/sovrnBidAdapter_spec.js
+++ b/test/spec/modules/sovrnBidAdapter_spec.js
@@ -5,7 +5,7 @@ import * as utils from 'src/utils.js'
 
 const ENDPOINT = `https://ap.lijit.com/rtb/bid?src=$$REPO_AND_VERSION$$`;
 
-const adUnitBidRequest = {
+const baseBidRequest = {
   'bidder': 'sovrn',
   'params': {
     'tagid': 403370
@@ -19,7 +19,7 @@ const adUnitBidRequest = {
   'bidderRequestId': '22edbae2733bf6',
   'auctionId': '1d1a030790a475',
 }
-const bidderRequest = {
+const baseBidderRequest = {
   refererInfo: {
     referer: 'http://example.com/page.html',
   }
@@ -28,28 +28,35 @@ const bidderRequest = {
 describe('sovrnBidAdapter', function() {
   describe('isBidRequestValid', function () {
     it('should return true when required params found', function () {
-      expect(spec.isBidRequestValid(adUnitBidRequest)).to.equal(true);
+      expect(spec.isBidRequestValid(baseBidRequest)).to.equal(true);
     });
 
     it('should return false when tagid not passed correctly', function () {
-      const bid = {...adUnitBidRequest}
-      const params = adUnitBidRequest.params
-      bid.params = {...params}
-      bid.params.tagid = 'ABCD'
-      expect(spec.isBidRequestValid(bid)).to.equal(false)
+      const bidRequest = {
+        ...baseBidRequest,
+        'params': {
+          ...baseBidRequest.params,
+          'tagid': 'ABCD'
+        },
+      };
+
+      expect(spec.isBidRequestValid(bidRequest)).to.equal(false);
     });
 
     it('should return false when require params are not passed', function () {
-      const bid = {...adUnitBidRequest}
-      bid.params = {};
-      expect(spec.isBidRequestValid(bid)).to.equal(false);
+      const bidRequest = {
+        ...baseBidRequest,
+        'params': {}
+      }
+
+      expect(spec.isBidRequestValid(bidRequest)).to.equal(false);
     });
   });
 
   describe('buildRequests', function () {
     describe('basic bid parameters', function() {
-      const bidRequests = [adUnitBidRequest];
-      const request = spec.buildRequests(bidRequests, bidderRequest);
+      const request = spec.buildRequests([baseBidRequest], baseBidderRequest);
+      const payload = JSON.parse(request.data);
 
       it('sends bid request to our endpoint via POST', function () {
         expect(request.method).to.equal('POST');
@@ -60,15 +67,21 @@ describe('sovrnBidAdapter', function() {
       });
 
       it('sets the proper banner object', function() {
-        const payload = JSON.parse(request.data)
-        expect(payload.imp[0].banner.format).to.deep.equal([{w: 300, h: 250}, {w: 300, h: 600}])
-        expect(payload.imp[0].banner.w).to.equal(1)
-        expect(payload.imp[0].banner.h).to.equal(1)
+        const impression = payload.imp[0]
+
+        expect(impression.banner.format).to.deep.equal([{w: 300, h: 250}, {w: 300, h: 600}])
+        expect(impression.banner.w).to.equal(1)
+        expect(impression.banner.h).to.equal(1)
       })
 
-      it('includes the ad unit code int the request', function() {
-        const payload = JSON.parse(request.data);
-        expect(payload.imp[0].adunitcode).to.equal('adunit-code')
+      it('gets correct site info', function() {
+        expect(payload.site.page).to.equal('http://example.com/page.html');
+        expect(payload.site.domain).to.equal('example.com');
+      });
+
+      it('includes the ad unit code in the request', function() {
+        const impression = payload.imp[0]
+        expect(impression.adunitcode).to.equal('adunit-code')
       })
 
       it('converts tagid to string', function () {
@@ -77,109 +90,76 @@ describe('sovrnBidAdapter', function() {
     })
 
     it('accepts a single array as a size', function() {
-      const singleSize = [{
-        'bidder': 'sovrn',
+      const singleSizeBidRequest = {
+        ...baseBidRequest,
         'params': {
-          'tagid': '403370',
           'iv': 'vet'
         },
-        'adUnitCode': 'adunit-code',
-        'sizes': [300, 250],
-        'bidId': '30b31c1838de1e',
-        'bidderRequestId': '22edbae2733bf6',
-        'auctionId': '1d1a030790a475'
-      }]
-      const request = spec.buildRequests(singleSize, bidderRequest)
+        'sizes': [300, 250]
+      }
+      const request = spec.buildRequests([singleSizeBidRequest], baseBidderRequest)
+
       const payload = JSON.parse(request.data)
-      expect(payload.imp[0].banner.format).to.deep.equal([{w: 300, h: 250}])
-      expect(payload.imp[0].banner.w).to.equal(1)
-      expect(payload.imp[0].banner.h).to.equal(1)
+      const impression = payload.imp[0]
+
+      expect(impression.banner.format).to.deep.equal([{w: 300, h: 250}])
+      expect(impression.banner.w).to.equal(1)
+      expect(impression.banner.h).to.equal(1)
     })
 
     it('sends \'iv\' as query param if present', function () {
-      const ivBidRequests = [{
-        'bidder': 'sovrn',
-        'params': {
-          'tagid': '403370',
-          'iv': 'vet'
-        },
-        'adUnitCode': 'adunit-code',
-        'sizes': [
-          [300, 250],
-          [300, 600]
-        ],
-        'bidId': '30b31c1838de1e',
-        'bidderRequestId': '22edbae2733bf6',
-        'auctionId': '1d1a030790a475'
-      }];
-      const bidderRequest = {
-        refererInfo: {
-          referer: 'http://example.com/page.html',
+      const ivBidRequest = {
+        ...baseBidRequest,
+        params: {
+          iv: 'vet'
         }
-      };
-      const request = spec.buildRequests(ivBidRequests, bidderRequest);
+      }
+      const request = spec.buildRequests([ivBidRequest], baseBidderRequest)
 
       expect(request.url).to.contain('iv=vet')
     });
 
     it('sends gdpr info if exists', function () {
-      let consentString = 'BOJ8RZsOJ8RZsABAB8AAAAAZ+A==';
       const bidderRequest = {
+        ...baseBidderRequest,
         'bidderCode': 'sovrn',
         'auctionId': '1d1a030790a475',
         'bidderRequestId': '22edbae2733bf6',
         'timeout': 3000,
-        gdprConsent: {
-          consentString: consentString,
-          gdprApplies: true
+        'gdprConsent': {
+          'consentString': 'BOJ8RZsOJ8RZsABAB8AAAAAZ+A==',
+          'gdprApplies': true
         },
-        refererInfo: {
-          referer: 'http://example.com/page.html',
-        }
+        'bids': [baseBidRequest]
       };
-      bidderRequest.bids = [adUnitBidRequest];
 
-      const data = JSON.parse(spec.buildRequests([adUnitBidRequest], bidderRequest).data);
+      const { regs, user } = JSON.parse(spec.buildRequests([baseBidRequest], bidderRequest).data)
 
-      expect(data.regs.ext.gdpr).to.exist.and.to.be.a('number');
-      expect(data.regs.ext.gdpr).to.equal(1);
-      expect(data.user.ext.consent).to.exist.and.to.be.a('string');
-      expect(data.user.ext.consent).to.equal(consentString);
-    });
+      expect(regs.ext.gdpr).to.exist.and.to.be.a('number')
+      expect(regs.ext.gdpr).to.equal(1)
+      expect(user.ext.consent).to.exist.and.to.be.a('string')
+      expect(user.ext.consent).to.equal(bidderRequest.gdprConsent.consentString)
+    })
 
     it('should send us_privacy if bidderRequest has a value for uspConsent', function () {
-      const uspString = '1NYN';
       const bidderRequest = {
+        ...baseBidderRequest,
         'bidderCode': 'sovrn',
         'auctionId': '1d1a030790a475',
         'bidderRequestId': '22edbae2733bf6',
         'timeout': 3000,
-        uspConsent: uspString,
-        refererInfo: {
-          referer: 'http://example.com/page.html',
-        }
-      };
-      bidderRequest.bids = [adUnitBidRequest];
+        'uspConsent': '1NYN',
+        'bids': [baseBidRequest]
+      }
 
-      const data = JSON.parse(spec.buildRequests([adUnitBidRequest], bidderRequest).data);
+      const data = JSON.parse(spec.buildRequests([baseBidRequest], bidderRequest).data)
 
-      expect(data.regs.ext['us_privacy']).to.equal(uspString);
-    });
+      expect(data.regs.ext['us_privacy']).to.equal(bidderRequest.uspConsent)
+    })
 
     it('should add schain if present', function() {
-      const schainRequests = [{
-        'bidder': 'sovrn',
-        'params': {
-          'tagid': 403370
-        },
-        'adUnitCode': 'adunit-code',
-        'sizes': [
-          [300, 250],
-          [300, 600]
-        ],
-        'bidId': '30b31c1838de1e',
-        'bidderRequestId': '22edbae2733bf6',
-        'auctionId': '1d1a030790a475',
+      const schainRequest = {
+        ...baseBidRequest,
         'schain': {
           'ver': '1.0',
           'complete': 1,
@@ -192,100 +172,89 @@ describe('sovrnBidAdapter', function() {
             }
           ]
         }
-      }].concat(adUnitBidRequest);
-      const bidderRequest = {
-        refererInfo: {
-          referer: 'http://example.com/page.html',
-        }
-      };
-      const data = JSON.parse(spec.buildRequests(schainRequests, bidderRequest).data);
+      }
+      const schainRequests = [schainRequest, baseBidRequest]
+
+      const data = JSON.parse(spec.buildRequests(schainRequests, baseBidderRequest).data)
 
       expect(data.source.ext.schain.nodes.length).to.equal(1)
-    });
+    })
 
-    it('should add ids to the bid request', function() {
-      const criteoIdRequest = [{
-        'bidder': 'sovrn',
-        'params': {
-          'tagid': 403370
-        },
-        'adUnitCode': 'adunit-code',
-        'sizes': [
-          [300, 250],
-          [300, 600]
-        ],
-        'bidId': '30b31c1838de1e',
-        'bidderRequestId': '22edbae2733bf6',
-        'auctionId': '1d1a030790a475',
-        'userId': {
-          'criteoId': 'A_CRITEO_ID',
-          'tdid': 'SOMESORTOFID',
-        }
-      }].concat(adUnitBidRequest);
-      const bidderRequest = {
-        refererInfo: {
-          referer: 'http://example.com/page.html',
+    it('should add eds to the bid request', function() {
+      const criteoIdRequest = {
+        ...baseBidRequest,
+        userId: {
+          criteoId: 'A_CRITEO_ID',
+          tdid: 'SOMESORTOFID',
         }
-      };
-
-      const data = JSON.parse(spec.buildRequests(criteoIdRequest, bidderRequest).data);
-      expect(data.user.ext.eids[0].source).to.equal('criteo.com')
-      expect(data.user.ext.eids[0].uids[0].id).to.equal('A_CRITEO_ID')
-      expect(data.user.ext.eids[0].uids[0].atype).to.equal(1)
-      expect(data.user.ext.eids[1].source).to.equal('adserver.org')
-      expect(data.user.ext.eids[1].uids[0].id).to.equal('SOMESORTOFID')
-      expect(data.user.ext.eids[1].uids[0].ext.rtiPartner).to.equal('TDID')
-      expect(data.user.ext.eids[1].uids[0].atype).to.equal(1)
-      expect(data.user.ext.tpid[0].source).to.equal('criteo.com')
-      expect(data.user.ext.tpid[0].uid).to.equal('A_CRITEO_ID')
-      expect(data.user.ext.prebid_criteoid).to.equal('A_CRITEO_ID')
-    });
+      }
+      const criteoIdRequests = [criteoIdRequest, baseBidRequest]
+
+      const ext = JSON.parse(spec.buildRequests(criteoIdRequests, baseBidderRequest).data).user.ext
+      const firstEID = ext.eids[0]
+      const secondEID = ext.eids[1]
+
+      expect(firstEID.source).to.equal('criteo.com')
+      expect(firstEID.uids[0].id).to.equal('A_CRITEO_ID')
+      expect(firstEID.uids[0].atype).to.equal(1)
+      expect(secondEID.source).to.equal('adserver.org')
+      expect(secondEID.uids[0].id).to.equal('SOMESORTOFID')
+      expect(secondEID.uids[0].ext.rtiPartner).to.equal('TDID')
+      expect(secondEID.uids[0].atype).to.equal(1)
+      expect(ext.tpid[0].source).to.equal('criteo.com')
+      expect(ext.tpid[0].uid).to.equal('A_CRITEO_ID')
+      expect(ext.prebid_criteoid).to.equal('A_CRITEO_ID')
+    })
 
     it('should ignore empty segments', function() {
-      const request = spec.buildRequests([adUnitBidRequest], bidderRequest)
+      const request = spec.buildRequests([baseBidRequest], baseBidderRequest)
       const payload = JSON.parse(request.data)
+
       expect(payload.imp[0].ext).to.be.undefined
     })
 
     it('should pass the segments param value as trimmed deal ids array', function() {
-      const segmentsRequests = [{
-        'bidder': 'sovrn',
-        'params': {
-          'segments': ' test1,test2 '
-        },
-        'adUnitCode': 'adunit-code',
-        'sizes': [
-          [300, 250],
-          [300, 600]
-        ],
-        'bidId': '30b31c1838de1e',
-        'bidderRequestId': '22edbae2733bf6',
-        'auctionId': '1d1a030790a475'
-      }]
-      const request = spec.buildRequests(segmentsRequests, bidderRequest)
-      const payload = JSON.parse(request.data)
-      expect(payload.imp[0].ext.deals[0]).to.equal('test1')
-      expect(payload.imp[0].ext.deals[1]).to.equal('test2')
+      const segmentsRequest = {
+        ...baseBidRequest,
+        params: {
+          segments: ' test1,test2 '
+        }
+      }
+      const request = spec.buildRequests([segmentsRequest], baseBidderRequest)
+      const deals = JSON.parse(request.data).imp[0].ext.deals
+
+      expect(deals[0]).to.equal('test1')
+      expect(deals[1]).to.equal('test2')
     })
     it('should use the floor provided from the floor module if present', function() {
-      const floorBid = {...adUnitBidRequest, getFloor: () => ({currency: 'USD', floor: 1.10})}
-      floorBid.params = {
-        tagid: 1234,
-        bidfloor: 2.00
+      const floorBid = {
+        ...baseBidRequest,
+        getFloor: () => ({currency: 'USD', floor: 1.10}),
+        params: {
+          tagid: 1234,
+          bidfloor: 2.00
+        }
       }
-      const request = spec.buildRequests([floorBid], bidderRequest)
+
+      const request = spec.buildRequests([floorBid], baseBidderRequest)
       const payload = JSON.parse(request.data)
+
       expect(payload.imp[0].bidfloor).to.equal(1.10)
     })
     it('should use the floor from the param if there is no floor from the floor module', function() {
-      const floorBid = {...adUnitBidRequest, getFloor: () => ({})}
+      const floorBid = {
+        ...baseBidRequest,
+        getFloor: () => ({})
+      }
       floorBid.params = {
         tagid: 1234,
         bidfloor: 2.00
       }
-      const request = spec.buildRequests([floorBid], bidderRequest)
-      const payload = JSON.parse(request.data)
-      expect(payload.imp[0].bidfloor).to.equal(2.00)
+
+      const request = spec.buildRequests([floorBid], baseBidderRequest)
+      const impression = JSON.parse(request.data).imp[0]
+
+      expect(impression.bidfloor).to.equal(2.00)
     })
     describe('First Party Data', function () {
       let sandbox
@@ -307,54 +276,79 @@ describe('sovrnBidAdapter', function() {
                 data: 'some user data'
               }
             }
-          };
-          return utils.deepAccess(cfg, key);
-        });
-        const request = spec.buildRequests([adUnitBidRequest], bidderRequest)
-        const payload = JSON.parse(request.data)
-        expect(payload.user.data).to.equal('some user data')
-        expect(payload.site.keywords).to.equal('test keyword')
-        expect(payload.site.page).to.equal('http://example.com/page.html')
-        expect(payload.site.domain).to.equal('example.com')
+          }
+          return utils.deepAccess(cfg, key)
+        })
+
+        const request = spec.buildRequests([baseBidRequest], baseBidderRequest)
+        const { user, site } = JSON.parse(request.data)
+
+        expect(user.data).to.equal('some user data')
+        expect(site.keywords).to.equal('test keyword')
+        expect(site.page).to.equal('http://example.com/page.html')
+        expect(site.domain).to.equal('example.com')
       })
       it('should append impression first party data', function () {
-        const fpdBid = {...adUnitBidRequest}
-        fpdBid.ortb2Imp = {
-          ext: {
-            data: {
-              pbadslot: 'homepage-top-rect',
-              adUnitSpecificAttribute: '123'
+        const fpdBidRequest = {
+          ...baseBidRequest,
+          ortb2Imp: {
+            ext: {
+              data: {
+                pbadslot: 'homepage-top-rect',
+                adUnitSpecificAttribute: '123'
+              }
             }
           }
         }
-        const request = spec.buildRequests([fpdBid], bidderRequest)
+
+        const request = spec.buildRequests([fpdBidRequest], baseBidderRequest)
         const payload = JSON.parse(request.data)
+
         expect(payload.imp[0].ext.data.pbadslot).to.equal('homepage-top-rect')
         expect(payload.imp[0].ext.data.adUnitSpecificAttribute).to.equal('123')
       })
       it('should not overwrite deals when impression fpd is present', function() {
-        const fpdBid = {...adUnitBidRequest}
-        fpdBid.params = {...adUnitBidRequest.params}
-        fpdBid.params.segments = 'seg1, seg2'
-        fpdBid.ortb2Imp = {
-          ext: {
-            data: {
-              pbadslot: 'homepage-top-rect',
-              adUnitSpecificAttribute: '123'
+        const fpdBid = {
+          ...baseBidRequest,
+          params: {
+            segments: 'seg1, seg2'
+          },
+          ortb2Imp: {
+            ext: {
+              data: {
+                pbadslot: 'homepage-top-rect',
+                adUnitSpecificAttribute: '123'
+              }
             }
           }
         }
-        const request = spec.buildRequests([fpdBid], bidderRequest)
-        const payload = JSON.parse(request.data)
-        expect(payload.imp[0].ext.data.pbadslot).to.equal('homepage-top-rect')
-        expect(payload.imp[0].ext.data.adUnitSpecificAttribute).to.equal('123')
-        expect(payload.imp[0].ext.deals).to.deep.equal(['seg1', 'seg2'])
+
+        const request = spec.buildRequests([fpdBid], baseBidderRequest)
+        const impression = JSON.parse(request.data).imp[0]
+
+        expect(impression.ext.data.pbadslot).to.equal('homepage-top-rect')
+        expect(impression.ext.data.adUnitSpecificAttribute).to.equal('123')
+        expect(impression.ext.deals).to.deep.equal(['seg1', 'seg2'])
       })
     })
   });
 
   describe('interpretResponse', function () {
     let response;
+    const baseResponse = {
+      'requestId': '263c448586f5a1',
+      'cpm': 0.45882675,
+      'width': 728,
+      'height': 90,
+      'creativeId': 'creativelycreatedcreativecreative',
+      'dealId': null,
+      'currency': 'USD',
+      'netRevenue': true,
+      'mediaType': 'banner',
+      'ad': decodeURIComponent(`<!-- Creative --><img src="<!-- NURL -->">`),
+      'ttl': 90,
+      'meta': { advertiserDomains: [] }
+    }
     beforeEach(function () {
       response = {
         body: {
@@ -376,106 +370,74 @@ describe('sovrnBidAdapter', function() {
     });
 
     it('should get the correct bid response', function () {
-      let expectedResponse = [{
-        'requestId': '263c448586f5a1',
-        'cpm': 0.45882675,
-        'width': 728,
-        'height': 90,
-        'creativeId': 'creativelycreatedcreativecreative',
-        'dealId': null,
-        'currency': 'USD',
-        'netRevenue': true,
-        'mediaType': 'banner',
+      const expectedResponse = {
+        ...baseResponse,
         'ad': decodeURIComponent(`<!-- Creative --><img src=<!-- NURL -->>`),
         'ttl': 60000,
-        'meta': { advertiserDomains: [] }
-      }];
+      };
 
-      let result = spec.interpretResponse(response);
-      expect(Object.keys(result[0])).to.deep.equal(Object.keys(expectedResponse[0]));
+      const result = spec.interpretResponse(response);
+
+      expect(Object.keys(result[0])).to.deep.equal(Object.keys(expectedResponse))
     });
 
     it('crid should default to the bid id if not on the response', function () {
       delete response.body.seatbid[0].bid[0].crid;
-      let expectedResponse = [{
-        'requestId': '263c448586f5a1',
-        'cpm': 0.45882675,
-        'width': 728,
-        'height': 90,
+
+      const expectedResponse = {
+        ...baseResponse,
         'creativeId': response.body.seatbid[0].bid[0].id,
-        'dealId': null,
-        'currency': 'USD',
-        'netRevenue': true,
-        'mediaType': 'banner',
         'ad': decodeURIComponent(`<!-- Creative --><img src="<!-- NURL -->">`),
-        'ttl': 90,
-        'meta': { advertiserDomains: [] }
-      }];
+      }
+
+      const result = spec.interpretResponse(response);
 
-      let result = spec.interpretResponse(response);
-      expect(result[0]).to.deep.equal(expectedResponse[0]);
+      expect(result[0]).to.deep.equal(expectedResponse);
     });
 
     it('should get correct bid response when dealId is passed', function () {
       response.body.seatbid[0].bid[0].dealid = 'baking';
-
-      let expectedResponse = [{
-        'requestId': '263c448586f5a1',
-        'cpm': 0.45882675,
-        'width': 728,
-        'height': 90,
-        'creativeId': 'creativelycreatedcreativecreative',
+      const expectedResponse = {
+        ...baseResponse,
         'dealId': 'baking',
-        'currency': 'USD',
-        'netRevenue': true,
-        'mediaType': 'banner',
-        'ad': decodeURIComponent(`<!-- Creative --><img src="<!-- NURL -->">`),
-        'ttl': 90,
-        'meta': { advertiserDomains: [] }
-      }];
+      }
 
-      let result = spec.interpretResponse(response);
-      expect(result[0]).to.deep.equal(expectedResponse[0]);
+      const result = spec.interpretResponse(response)
+
+      expect(result[0]).to.deep.equal(expectedResponse);
     });
 
     it('should get correct bid response when ttl is set', function () {
-      response.body.seatbid[0].bid[0].ext = { 'ttl': 480 };
-
-      let expectedResponse = [{
-        'requestId': '263c448586f5a1',
-        'cpm': 0.45882675,
-        'width': 728,
-        'height': 90,
-        'creativeId': 'creativelycreatedcreativecreative',
-        'dealId': null,
-        'currency': 'USD',
-        'netRevenue': true,
-        'mediaType': 'banner',
-        'ad': decodeURIComponent(`<!-- Creative --><img src="<!-- NURL -->">`),
+      response.body.seatbid[0].bid[0].ext = { 'ttl': 480 }
+
+      const expectedResponse = {
+        ...baseResponse,
         'ttl': 480,
-        'meta': { advertiserDomains: [] }
-      }];
+      }
 
-      let result = spec.interpretResponse(response);
-      expect(result[0]).to.deep.equal(expectedResponse[0]);
-    });
+      const result = spec.interpretResponse(response)
+
+      expect(result[0]).to.deep.equal(expectedResponse)
+    })
 
     it('handles empty bid response', function () {
-      let response = {
+      const response = {
         body: {
           'id': '37386aade21a71',
           'seatbid': []
         }
       };
-      let result = spec.interpretResponse(response);
+
+      const result = spec.interpretResponse(response)
+
       expect(result.length).to.equal(0);
     });
   });
 
   describe('getUserSyncs ', function() {
-    let syncOptions = { iframeEnabled: true, pixelEnabled: false };
-    let iframeDisabledSyncOptions = { iframeEnabled: false, pixelEnabled: false };
-    let serverResponse = [
+    const syncOptions = { iframeEnabled: true, pixelEnabled: false };
+    const iframeDisabledSyncOptions = { iframeEnabled: false, pixelEnabled: false };
+    const serverResponse = [
       {
         'body': {
           'id': '546956d68c757f',
@@ -524,14 +486,14 @@ describe('sovrnBidAdapter', function() {
     ];
 
     it('should return if iid present on server response & iframe syncs enabled', function() {
-      const expectedReturnStatement = [
-        {
-          'type': 'iframe',
-          'url': 'https://ap.lijit.com/beacon?informer=13487408',
-        }
-      ];
+      const expectedReturnStatement = {
+        'type': 'iframe',
+        'url': 'https://ap.lijit.com/beacon?informer=13487408',
+      }
+
       const returnStatement = spec.getUserSyncs(syncOptions, serverResponse);
-      expect(returnStatement[0]).to.deep.equal(expectedReturnStatement[0]);
+
+      expect(returnStatement[0]).to.deep.equal(expectedReturnStatement);
     });
 
     it('should include gdpr consent string if present', function() {
@@ -539,26 +501,26 @@ describe('sovrnBidAdapter', function() {
         gdprApplies: 1,
         consentString: 'BOJ8RZsOJ8RZsABAB8AAAAAZ+A=='
       }
-      const expectedReturnStatement = [
-        {
-          'type': 'iframe',
-          'url': `https://ap.lijit.com/beacon?gdpr_consent=${gdprConsent.consentString}&informer=13487408`,
-        }
-      ];
+      const expectedReturnStatement = {
+        'type': 'iframe',
+        'url': `https://ap.lijit.com/beacon?gdpr_consent=${gdprConsent.consentString}&informer=13487408`,
+      }
+
       const returnStatement = spec.getUserSyncs(syncOptions, serverResponse, gdprConsent, '');
-      expect(returnStatement[0]).to.deep.equal(expectedReturnStatement[0]);
+
+      expect(returnStatement[0]).to.deep.equal(expectedReturnStatement);
     });
 
     it('should include us privacy string if present', function() {
       const uspString = '1NYN';
-      const expectedReturnStatement = [
-        {
-          'type': 'iframe',
-          'url': `https://ap.lijit.com/beacon?us_privacy=${uspString}&informer=13487408`,
-        }
-      ];
+      const expectedReturnStatement = {
+        'type': 'iframe',
+        'url': `https://ap.lijit.com/beacon?us_privacy=${uspString}&informer=13487408`,
+      }
+
       const returnStatement = spec.getUserSyncs(syncOptions, serverResponse, null, uspString);
-      expect(returnStatement[0]).to.deep.equal(expectedReturnStatement[0]);
+
+      expect(returnStatement[0]).to.deep.equal(expectedReturnStatement);
     });
 
     it('should include all privacy strings if present', function() {
@@ -567,57 +529,35 @@ describe('sovrnBidAdapter', function() {
         consentString: 'BOJ8RZsOJ8RZsABAB8AAAAAZ+A=='
       }
       const uspString = '1NYN';
-      const expectedReturnStatement = [
-        {
-          'type': 'iframe',
-          'url': `https://ap.lijit.com/beacon?gdpr_consent=${gdprConsent.consentString}&us_privacy=${uspString}&informer=13487408`,
-        }
-      ];
-      const returnStatement = spec.getUserSyncs(syncOptions, serverResponse, gdprConsent, uspString);
-      expect(returnStatement[0]).to.deep.equal(expectedReturnStatement[0]);
+      const expectedReturnStatement = {
+        'type': 'iframe',
+        'url': `https://ap.lijit.com/beacon?gdpr_consent=${gdprConsent.consentString}&us_privacy=${uspString}&informer=13487408`,
+      }
+
+      const returnStatement = spec.getUserSyncs(syncOptions, serverResponse, gdprConsent, uspString)
+
+      expect(returnStatement[0]).to.deep.equal(expectedReturnStatement)
     });
 
     it('should not return if iid missing on server response', function() {
       const returnStatement = spec.getUserSyncs(syncOptions, []);
+
       expect(returnStatement).to.be.empty;
     });
 
     it('should not return if iframe syncs disabled', function() {
       const returnStatement = spec.getUserSyncs(iframeDisabledSyncOptions, serverResponse);
+
       expect(returnStatement).to.be.empty;
     });
 
     it('should include pixel syncs', function() {
-      let pixelEnabledOptions = { iframeEnabled: false, pixelEnabled: true };
-      const resp2 = {
+      const pixelEnabledOptions = { iframeEnabled: false, pixelEnabled: true }
+
+      const otherResponce = {
+        ...serverResponse,
         'body': {
-          'id': '546956d68c757f-2',
-          'seatbid': [
-            {
-              'bid': [
-                {
-                  'id': 'a_448326_16c2ada014224bee815a90d2248322f5-2',
-                  'impid': '2a3826aae345f4',
-                  'price': 1.0099999904632568,
-                  'nurl': 'http://localhost/rtb/impression?bannerid=220958&campaignid=3890&rtb_tid=15588614-75d2-40ab-b27e-13d2127b3c2e&rpid=1295&seatid=seat1&zoneid=448326&cb=26900712&tid=a_448326_16c2ada014224bee815a90d2248322f5',
-                  'adm': 'yo a creative',
-                  'crid': 'cridprebidrtb',
-                  'w': 160,
-                  'h': 600
-                },
-                {
-                  'id': 'a_430392_beac4c1515da4576acf6cb9c5340b40c-2',
-                  'impid': '3cf96fd26ed4c5',
-                  'price': 1.0099999904632568,
-                  'nurl': 'http://localhost/rtb/impression?bannerid=220957&campaignid=3890&rtb_tid=5bc0e68b-3492-448d-a6f9-26fa3fd0b646&rpid=1295&seatid=seat1&zoneid=430392&cb=62735099&tid=a_430392_beac4c1515da4576acf6cb9c5340b40c',
-                  'adm': 'yo a creative',
-                  'crid': 'cridprebidrtb',
-                  'w': 300,
-                  'h': 250
-                },
-              ]
-            }
-          ],
+          ...serverResponse.body,
           'ext': {
             'iid': 13487408,
             sync: {
@@ -631,10 +571,11 @@ describe('sovrnBidAdapter', function() {
               ]
             }
           }
-        },
-        'headers': {}
+        }
       }
-      const returnStatement = spec.getUserSyncs(pixelEnabledOptions, [...serverResponse, resp2]);
+
+      const returnStatement = spec.getUserSyncs(pixelEnabledOptions, [...serverResponse, otherResponce])
+
       expect(returnStatement.length).to.equal(4);
       expect(returnStatement).to.deep.include.members([
         { type: 'image', url: 'http://idprovider1.com' },
@@ -642,34 +583,25 @@ describe('sovrnBidAdapter', function() {
         { type: 'image', url: 'http://idprovider3.com' },
         { type: 'image', url: 'http://idprovider4.com' }
       ]);
-    });
-  });
+    })
+  })
 
   describe('prebid 3 upgrade', function() {
-    const bidRequests = [{
-      'bidder': 'sovrn',
+    const bidRequest = {
+      ...baseBidRequest,
       'params': {
         'tagid': '403370'
       },
-      'adUnitCode': 'adunit-code',
-      mediaTypes: {
-        banner: {
-          sizes: [
+      'mediaTypes': {
+        'banner': {
+          'sizes': [
             [300, 250],
             [300, 600]
           ]
         }
       },
-      'bidId': '30b31c1838de1e',
-      'bidderRequestId': '22edbae2733bf6',
-      'auctionId': '1d1a030790a475'
-    }];
-    const bidderRequest = {
-      refererInfo: {
-        referer: 'http://example.com/page.html',
-      }
     };
-    const request = spec.buildRequests(bidRequests, bidderRequest);
+    const request = spec.buildRequests([bidRequest], baseBidderRequest);
     const payload = JSON.parse(request.data);
 
     it('gets sizes from mediaTypes.banner', function() {