diff --git a/examples/query/react/basic/package.json b/examples/query/react/basic/package.json
index 709c27b6c8..fc44afac89 100644
--- a/examples/query/react/basic/package.json
+++ b/examples/query/react/basic/package.json
@@ -13,7 +13,8 @@
     "react-scripts": "5.0.1"
   },
   "devDependencies": {
-    "@testing-library/react": "^13.3.0",
+    "@testing-library/dom": "^10.4.0",
+    "@testing-library/react": "^16.0.1",
     "@types/jest": "^26.0.23",
     "@types/react": "^18.0.5",
     "@types/react-dom": "^18.0.5",
diff --git a/examples/query/react/kitchen-sink/package.json b/examples/query/react/kitchen-sink/package.json
index 2e1675c6fc..c0e5794127 100644
--- a/examples/query/react/kitchen-sink/package.json
+++ b/examples/query/react/kitchen-sink/package.json
@@ -15,8 +15,9 @@
     "react-scripts": "5.0.1"
   },
   "devDependencies": {
+    "@testing-library/dom": "^10.4.0",
     "@testing-library/jest-dom": "^5.11.5",
-    "@testing-library/react": "^13.3.0",
+    "@testing-library/react": "^16.0.1",
     "@types/jest": "^26.0.23",
     "@types/node": "^14.14.6",
     "@types/react": "^18.0.5",
diff --git a/packages/toolkit/package.json b/packages/toolkit/package.json
index e3c3c8b6f3..dee00cc37a 100644
--- a/packages/toolkit/package.json
+++ b/packages/toolkit/package.json
@@ -56,8 +56,9 @@
     "@phryneas/ts-version": "^1.0.2",
     "@size-limit/file": "^11.0.1",
     "@size-limit/webpack": "^11.0.1",
-    "@testing-library/react": "^13.3.0",
-    "@testing-library/user-event": "^13.1.5",
+    "@testing-library/dom": "^10.4.0",
+    "@testing-library/react": "^16.0.1",
+    "@testing-library/user-event": "^14.5.2",
     "@types/babel__core": "^7.20.5",
     "@types/babel__helper-module-imports": "^7.18.3",
     "@types/json-stringify-safe": "^5.0.0",
diff --git a/packages/toolkit/src/query/tests/apiProvider.test.tsx b/packages/toolkit/src/query/tests/apiProvider.test.tsx
index f6a4cea10a..4fdf9de462 100644
--- a/packages/toolkit/src/query/tests/apiProvider.test.tsx
+++ b/packages/toolkit/src/query/tests/apiProvider.test.tsx
@@ -32,6 +32,10 @@ const api = createApi({
   }),
 })
 
+afterEach(() => {
+  vi.resetAllMocks()
+})
+
 describe('ApiProvider', () => {
   test('ApiProvider allows a user to make queries without a traditional Redux setup', async () => {
     function User() {
@@ -72,6 +76,8 @@ describe('ApiProvider', () => {
     expect(getByTestId('isFetching').textContent).toBe('false')
   })
   test('ApiProvider throws if nested inside a Redux context', () => {
+    // Intentionally swallow the "unhandled error" message
+    vi.spyOn(console, 'error').mockImplementation(() => {})
     expect(() =>
       render(
         <Provider store={configureStore({ reducer: () => null })}>
diff --git a/packages/toolkit/src/query/tests/buildHooks.test.tsx b/packages/toolkit/src/query/tests/buildHooks.test.tsx
index 6810e75dd8..50ff561148 100644
--- a/packages/toolkit/src/query/tests/buildHooks.test.tsx
+++ b/packages/toolkit/src/query/tests/buildHooks.test.tsx
@@ -6,6 +6,7 @@ import {
   actionsReducer,
   setupApiStore,
   useRenderCounter,
+  waitForFakeTimer,
   waitMs,
   withProvider,
 } from '@internal/tests/utils/helpers'
@@ -47,7 +48,7 @@ interface Item {
 
 const api = createApi({
   baseQuery: async (arg: any) => {
-    await waitMs(150)
+    await waitForFakeTimer(150)
     if (arg?.body && 'amount' in arg.body) {
       amount += 1
     }
@@ -465,7 +466,6 @@ describe('hooks tests', () => {
           <div>
             <button
               onClick={() => {
-                console.log('Refetching')
                 refetch()
               }}
             >
@@ -915,7 +915,7 @@ describe('hooks tests', () => {
         resPromise = refetch()
       })
       expect(resPromise).toBeInstanceOf(Promise)
-      const res = await resPromise
+      const res = await act(() => resPromise)
       expect(res.data!.amount).toBeGreaterThan(originalAmount)
     })
 
@@ -1095,15 +1095,15 @@ describe('hooks tests', () => {
       // Allow at least three state effects to hit.
       // Trying to see if any [true, false, true] occurs.
       await act(async () => {
-        await waitMs(1)
+        await waitForFakeTimer(150)
       })
 
       await act(async () => {
-        await waitMs(1)
+        await waitForFakeTimer(150)
       })
 
       await act(async () => {
-        await waitMs(1)
+        await waitForFakeTimer(150)
       })
 
       // Find if at any time the isLoading state has reverted
@@ -1864,7 +1864,8 @@ describe('hooks tests', () => {
         expect(screen.getByTestId('isFetching').textContent).toBe('false'),
       )
 
-      userEvent.hover(screen.getByTestId('highPriority'))
+      await userEvent.hover(screen.getByTestId('highPriority'))
+
       expect(
         api.endpoints.getUser.select(USER_ID)(storeRef.store.getState() as any),
       ).toEqual({
@@ -2001,7 +2002,7 @@ describe('hooks tests', () => {
       await waitMs(400)
 
       // This should run the query being that we're past the threshold
-      userEvent.hover(screen.getByTestId('lowPriority'))
+      await userEvent.hover(screen.getByTestId('lowPriority'))
       expect(
         api.endpoints.getUser.select(USER_ID)(storeRef.store.getState() as any),
       ).toEqual({
@@ -2101,7 +2102,7 @@ describe('hooks tests', () => {
 
       render(<User />, { wrapper: storeRef.wrapper })
 
-      userEvent.hover(screen.getByTestId('lowPriority'))
+      await userEvent.hover(screen.getByTestId('lowPriority'))
 
       expect(
         api.endpoints.getUser.select(USER_ID)(storeRef.store.getState() as any),
@@ -2993,6 +2994,11 @@ describe('skip behavior', () => {
     await act(async () => {
       rerender([1])
     })
+
+    await act(async () => {
+      await waitForFakeTimer(150)
+    })
+
     expect(result.current).toMatchObject({ status: QueryStatus.fulfilled })
     await waitMs(1)
     expect(getSubscriptionCount('getUser(1)')).toBe(1)
@@ -3030,6 +3036,11 @@ describe('skip behavior', () => {
     await act(async () => {
       rerender([1])
     })
+
+    await act(async () => {
+      await waitForFakeTimer(150)
+    })
+
     expect(result.current).toMatchObject({ status: QueryStatus.fulfilled })
     await waitMs(1)
     expect(getSubscriptionCount('getUser(1)')).toBe(1)
@@ -3059,7 +3070,7 @@ describe('skip behavior', () => {
     )
 
     await act(async () => {
-      await waitMs(1)
+      await waitForFakeTimer(150)
     })
 
     // Normal fulfilled result, with both `data` and `currentData`
diff --git a/packages/toolkit/src/query/tests/cleanup.test.tsx b/packages/toolkit/src/query/tests/cleanup.test.tsx
index fff0d4f7ad..49b634d7f4 100644
--- a/packages/toolkit/src/query/tests/cleanup.test.tsx
+++ b/packages/toolkit/src/query/tests/cleanup.test.tsx
@@ -43,7 +43,7 @@ function UsingAB() {
 }
 
 beforeAll(() => {
-  vi.useFakeTimers()
+  vi.useFakeTimers({ shouldAdvanceTime: true })
 })
 
 test('data stays in store when component stays rendered', async () => {
diff --git a/packages/toolkit/src/query/tests/fetchBaseQuery.test.tsx b/packages/toolkit/src/query/tests/fetchBaseQuery.test.tsx
index 3b70753318..845a1c3592 100644
--- a/packages/toolkit/src/query/tests/fetchBaseQuery.test.tsx
+++ b/packages/toolkit/src/query/tests/fetchBaseQuery.test.tsx
@@ -862,7 +862,7 @@ describe('fetchBaseQuery', () => {
           prepare.apply(undefined, arguments as unknown as any[])
         },
       })
-      baseQuery('http://example.com', commonBaseQueryApi, {
+      baseQuery('https://example.com', commonBaseQueryApi, {
         foo: 'baz',
         bar: 5,
       })
diff --git a/packages/toolkit/src/query/tests/mocks/handlers.ts b/packages/toolkit/src/query/tests/mocks/handlers.ts
index 3fe044fdf0..6f2146e175 100644
--- a/packages/toolkit/src/query/tests/mocks/handlers.ts
+++ b/packages/toolkit/src/query/tests/mocks/handlers.ts
@@ -12,6 +12,12 @@ export const posts: Record<string, Post> = {
 }
 
 export const handlers = [
+  http.get(
+    'https://example.com',
+    async ({ request, params, cookies, requestId }) => {
+      HttpResponse.json({ value: 'success' })
+    },
+  ),
   http.get(
     'https://example.com/echo',
     async ({ request, params, cookies, requestId }) => {
diff --git a/packages/toolkit/src/query/tests/optimisticUpserts.test.tsx b/packages/toolkit/src/query/tests/optimisticUpserts.test.tsx
index 600c433aab..ac6c8ee473 100644
--- a/packages/toolkit/src/query/tests/optimisticUpserts.test.tsx
+++ b/packages/toolkit/src/query/tests/optimisticUpserts.test.tsx
@@ -399,27 +399,34 @@ describe('upsertQueryEntries', () => {
     storeRef.store.dispatch(entriesAction)
 
     // Tricky timing. The cache data promises will be resolved
-    // in microtasks, so we just need any async delay here.
-    await delay(1)
+    // in microtasks. We need to wait for them. Best to do this
+    // in a loop just to avoid a hardcoded delay, but also this
+    // needs to complete before `keepUnusedDataFor` expires them.
+    await waitFor(
+      () => {
+        const state = storeRef.store.getState()
+
+        // onCacheEntryAdded should have run for each post,
+        // including cache data being resolved
+        for (const post of posts) {
+          const matchingSideEffectAction = state.actions.find(
+            (action) =>
+              postAddedAction.match(action) && action.payload === post.id,
+          )
+          expect(matchingSideEffectAction).toBeTruthy()
+        }
 
-    const state = storeRef.store.getState()
+        const selectedData =
+          api.endpoints.postWithSideEffect.select('1')(state).data
 
-    // onCacheEntryAdded should have run for each post,
-    // including cache data being resolved
-    for (const post of posts) {
-      const matchingSideEffectAction = state.actions.find(
-        (action) => postAddedAction.match(action) && action.payload === post.id,
-      )
-      expect(matchingSideEffectAction).toBeTruthy()
-    }
-
-    expect(api.endpoints.postWithSideEffect.select('1')(state).data).toBe(
-      posts[0],
+        expect(selectedData).toBe(posts[0])
+      },
+      { timeout: 50, interval: 5 },
     )
 
     // The cache data should be removed after the keepUnusedDataFor time,
     // so wait longer than that
-    await delay(20)
+    await delay(100)
 
     const stateAfter = storeRef.store.getState()
 
diff --git a/packages/toolkit/src/query/tests/refetchingBehaviors.test.tsx b/packages/toolkit/src/query/tests/refetchingBehaviors.test.tsx
index be27d08d9f..96e41b9e10 100644
--- a/packages/toolkit/src/query/tests/refetchingBehaviors.test.tsx
+++ b/packages/toolkit/src/query/tests/refetchingBehaviors.test.tsx
@@ -71,12 +71,12 @@ describe('refetchOnFocus tests', () => {
       expect(screen.getByTestId('amount').textContent).toBe('1'),
     )
 
+    fireEvent.focus(window)
+
     await act(async () => {
-      fireEvent.focus(window)
+      await delay(150)
     })
 
-    await delay(150)
-
     await waitFor(() =>
       expect(screen.getByTestId('amount').textContent).toBe('2'),
     )
@@ -111,9 +111,7 @@ describe('refetchOnFocus tests', () => {
       expect(screen.getByTestId('amount').textContent).toBe('1'),
     )
 
-    act(() => {
-      fireEvent.focus(window)
-    })
+    fireEvent.focus(window)
 
     await delay(150)
 
@@ -165,9 +163,7 @@ describe('refetchOnFocus tests', () => {
       expect(screen.getByTestId('amount').textContent).toBe('1'),
     )
 
-    act(() => {
-      fireEvent.focus(window)
-    })
+    fireEvent.focus(window)
     expect(screen.getByTestId('isLoading').textContent).toBe('false')
     await waitFor(() =>
       expect(screen.getByTestId('isFetching').textContent).toBe('true'),
@@ -213,9 +209,7 @@ describe('refetchOnFocus tests', () => {
 
     expect(getIncrementedAmountState()).not.toBeUndefined()
 
-    await act(async () => {
-      fireEvent.focus(window)
-    })
+    fireEvent.focus(window)
 
     await delay(1)
     expect(getIncrementedAmountState()).toBeUndefined()
diff --git a/yarn.lock b/yarn.lock
index e88f6db1e1..b503e74683 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4618,7 +4618,8 @@ __metadata:
   resolution: "@examples-query-react/basic@workspace:examples/query/react/basic"
   dependencies:
     "@reduxjs/toolkit": "npm:^1.6.0-rc.1"
-    "@testing-library/react": "npm:^13.3.0"
+    "@testing-library/dom": "npm:^10.4.0"
+    "@testing-library/react": "npm:^16.0.1"
     "@types/jest": "npm:^26.0.23"
     "@types/react": "npm:^18.0.5"
     "@types/react-dom": "npm:^18.0.5"
@@ -4735,8 +4736,9 @@ __metadata:
   resolution: "@examples-query-react/kitchen-sink@workspace:examples/query/react/kitchen-sink"
   dependencies:
     "@reduxjs/toolkit": "npm:1.8.1"
+    "@testing-library/dom": "npm:^10.4.0"
     "@testing-library/jest-dom": "npm:^5.11.5"
-    "@testing-library/react": "npm:^13.3.0"
+    "@testing-library/react": "npm:^16.0.1"
     "@types/jest": "npm:^26.0.23"
     "@types/node": "npm:^14.14.6"
     "@types/react": "npm:^18.0.5"
@@ -6676,8 +6678,9 @@ __metadata:
     "@phryneas/ts-version": "npm:^1.0.2"
     "@size-limit/file": "npm:^11.0.1"
     "@size-limit/webpack": "npm:^11.0.1"
-    "@testing-library/react": "npm:^13.3.0"
-    "@testing-library/user-event": "npm:^13.1.5"
+    "@testing-library/dom": "npm:^10.4.0"
+    "@testing-library/react": "npm:^16.0.1"
+    "@testing-library/user-event": "npm:^14.5.2"
     "@types/babel__core": "npm:^7.20.5"
     "@types/babel__helper-module-imports": "npm:^7.18.3"
     "@types/json-stringify-safe": "npm:^5.0.0"
@@ -7512,19 +7515,19 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@testing-library/dom@npm:^8.5.0":
-  version: 8.13.0
-  resolution: "@testing-library/dom@npm:8.13.0"
+"@testing-library/dom@npm:^10.4.0":
+  version: 10.4.0
+  resolution: "@testing-library/dom@npm:10.4.0"
   dependencies:
     "@babel/code-frame": "npm:^7.10.4"
     "@babel/runtime": "npm:^7.12.5"
-    "@types/aria-query": "npm:^4.2.0"
-    aria-query: "npm:^5.0.0"
+    "@types/aria-query": "npm:^5.0.1"
+    aria-query: "npm:5.3.0"
     chalk: "npm:^4.1.0"
     dom-accessibility-api: "npm:^0.5.9"
-    lz-string: "npm:^1.4.4"
+    lz-string: "npm:^1.5.0"
     pretty-format: "npm:^27.0.2"
-  checksum: 10/e91bf4261b8f8c191f62fd44548d39fe8dab7d12f9ecbfdec8cc0060b4030e837f4626b0256a795cc91db9ba20fc9b97005247d951b21449751af26dbb8c7191
+  checksum: 10/05825ee9a15b88cbdae12c137db7111c34069ed3c7a1bd03b6696cb1b37b29f6f2d2de581ebf03033e7df1ab7ebf08399310293f440a4845d95c02c0a9ecc899
   languageName: node
   linkType: hard
 
@@ -7545,28 +7548,32 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@testing-library/react@npm:^13.3.0":
-  version: 13.3.0
-  resolution: "@testing-library/react@npm:13.3.0"
+"@testing-library/react@npm:^16.0.1":
+  version: 16.0.1
+  resolution: "@testing-library/react@npm:16.0.1"
   dependencies:
     "@babel/runtime": "npm:^7.12.5"
-    "@testing-library/dom": "npm:^8.5.0"
-    "@types/react-dom": "npm:^18.0.0"
   peerDependencies:
+    "@testing-library/dom": ^10.0.0
+    "@types/react": ^18.0.0
+    "@types/react-dom": ^18.0.0
     react: ^18.0.0
     react-dom: ^18.0.0
-  checksum: 10/f72ff8e5f5268788ea2249bc0d8dceeca91f9fbad23fd718403e7c9518ea7b9f0053d96db7c3b2d20fc51b487b37ac6c5d55e7f732cadf786c8fa763ce1efec6
+  peerDependenciesMeta:
+    "@types/react":
+      optional: true
+    "@types/react-dom":
+      optional: true
+  checksum: 10/904b48881cf5bd208e25899e168f5c99c78ed6d77389544838d9d861a038d2c5c5385863ee9a367436770cbf7d21c5e05a991b9e24a33806e9ac985df2448185
   languageName: node
   linkType: hard
 
-"@testing-library/user-event@npm:^13.1.5":
-  version: 13.5.0
-  resolution: "@testing-library/user-event@npm:13.5.0"
-  dependencies:
-    "@babel/runtime": "npm:^7.12.5"
+"@testing-library/user-event@npm:^14.5.2":
+  version: 14.5.2
+  resolution: "@testing-library/user-event@npm:14.5.2"
   peerDependencies:
     "@testing-library/dom": ">=7.21.4"
-  checksum: 10/e2bdf2b2375d1399a4fd45195705ab0be05f5e3e8220ecbfc26cba98985e45cb505e4e11ed4d909a7052ce90d1e83751cfe21bb1b70fa82d2a2c268370432d8b
+  checksum: 10/49821459d81c6bc435d97128d6386ca24f1e4b3ba8e46cb5a96fe3643efa6e002d88c1b02b7f2ec58da593e805c59b78d7fdf0db565c1f02ba782f63ee984040
   languageName: node
   linkType: hard
 
@@ -7626,10 +7633,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/aria-query@npm:^4.2.0":
-  version: 4.2.1
-  resolution: "@types/aria-query@npm:4.2.1"
-  checksum: 10/04f60d7a3938ce1f33810f4cccde95e1fa45d2bb5ab1b7e93a5c331c072a59a9b3b559479b56c59af0170d40d97698e139310fef94904cff44db7151db8b9e15
+"@types/aria-query@npm:^5.0.1":
+  version: 5.0.4
+  resolution: "@types/aria-query@npm:5.0.4"
+  checksum: 10/c0084c389dc030daeaf0115a92ce43a3f4d42fc8fef2d0e22112d87a42798d4a15aac413019d4a63f868327d52ad6740ab99609462b442fe6b9286b172d2e82e
   languageName: node
   linkType: hard
 
@@ -8206,7 +8213,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/react-dom@npm:^18.0.0, @types/react-dom@npm:^18.0.5, @types/react-dom@npm:^18.2.25, @types/react-dom@npm:^18.3.0":
+"@types/react-dom@npm:^18.0.5, @types/react-dom@npm:^18.2.25, @types/react-dom@npm:^18.3.0":
   version: 18.3.0
   resolution: "@types/react-dom@npm:18.3.0"
   dependencies:
@@ -9896,6 +9903,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"aria-query@npm:5.3.0":
+  version: 5.3.0
+  resolution: "aria-query@npm:5.3.0"
+  dependencies:
+    dequal: "npm:^2.0.3"
+  checksum: 10/c3e1ed127cc6886fea4732e97dd6d3c3938e64180803acfb9df8955517c4943760746ffaf4020ce8f7ffaa7556a3b5f85c3769a1f5ca74a1288e02d042f9ae4e
+  languageName: node
+  linkType: hard
+
 "aria-query@npm:^4.2.2":
   version: 4.2.2
   resolution: "aria-query@npm:4.2.2"
@@ -12960,6 +12976,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"dequal@npm:^2.0.3":
+  version: 2.0.3
+  resolution: "dequal@npm:2.0.3"
+  checksum: 10/6ff05a7561f33603df87c45e389c9ac0a95e3c056be3da1a0c4702149e3a7f6fe5ffbb294478687ba51a9e95f3a60e8b6b9005993acd79c292c7d15f71964b6b
+  languageName: node
+  linkType: hard
+
 "destroy@npm:1.2.0":
   version: 1.2.0
   resolution: "destroy@npm:1.2.0"
@@ -13147,13 +13170,20 @@ __metadata:
   languageName: node
   linkType: hard
 
-"dom-accessibility-api@npm:^0.5.6, dom-accessibility-api@npm:^0.5.9":
+"dom-accessibility-api@npm:^0.5.6":
   version: 0.5.14
   resolution: "dom-accessibility-api@npm:0.5.14"
   checksum: 10/19d7a7de931fcc7d9d67c270341220c6bda97124c3b1444b2bea6e8c6c3964ee09c339e3e69be5b830e3fcb60258d43e6377039974b69c5cec2f75db0114ac59
   languageName: node
   linkType: hard
 
+"dom-accessibility-api@npm:^0.5.9":
+  version: 0.5.16
+  resolution: "dom-accessibility-api@npm:0.5.16"
+  checksum: 10/377b4a7f9eae0a5d72e1068c369c99e0e4ca17fdfd5219f3abd32a73a590749a267475a59d7b03a891f9b673c27429133a818c44b2e47e32fec024b34274e2ca
+  languageName: node
+  linkType: hard
+
 "dom-converter@npm:^0.2.0":
   version: 0.2.0
   resolution: "dom-converter@npm:0.2.0"
@@ -19211,12 +19241,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"lz-string@npm:^1.4.4":
-  version: 1.4.4
-  resolution: "lz-string@npm:1.4.4"
+"lz-string@npm:^1.5.0":
+  version: 1.5.0
+  resolution: "lz-string@npm:1.5.0"
   bin:
     lz-string: bin/bin.js
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