diff --git a/test/spec/modules/rubiconBidAdapter_spec.js b/test/spec/modules/rubiconBidAdapter_spec.js
index 6659c281c33..b1ef02a6369 100644
--- a/test/spec/modules/rubiconBidAdapter_spec.js
+++ b/test/spec/modules/rubiconBidAdapter_spec.js
@@ -1221,6 +1221,43 @@ describe('the rubicon adapter', function () {
             });
           });
 
+          describe('ID5 support', function () {
+            it('should send ID5 id when userIdAsEids contains ID5', function () {
+              const clonedBid = utils.deepClone(bidderRequest.bids[0]);
+              clonedBid.userId = {
+                id5id: {
+                  uid: '11111',
+                  ext: {
+                    linkType: '22222'
+                  }
+                }
+              };
+              clonedBid.userIdAsEids = createEidsArray(clonedBid.userId);
+              let [request] = spec.buildRequests([clonedBid], bidderRequest);
+              let data = parseQuery(request.data);
+
+              expect(data['eid_id5-sync.com']).to.equal('11111^1^22222');
+            });
+          });
+
+          describe('UserID catchall support', function () {
+            it('should send user id with generic format', function () {
+              const clonedBid = utils.deepClone(bidderRequest.bids[0]);
+              // Hardcoding userIdAsEids since createEidsArray returns empty array if source not found in eids.js
+              clonedBid.userIdAsEids = [{
+                source: 'catchall',
+                uids: [{
+                  id: '11111',
+                  atype: 2
+                }]
+              }]
+              let [request] = spec.buildRequests([clonedBid], bidderRequest);
+              let data = parseQuery(request.data);
+
+              expect(data['eid_catchall']).to.equal('11111^2');
+            });
+          });
+
           describe('Config user.id support', function () {
             it('should send ppuid when config defines user.id', function () {
               config.setConfig({user: {id: '123'}});