3 files changed, 23 insertions, 4 deletions
diff --git a/spec/frontend_integration/test_helpers/mock_server/routes/diffs.js b/spec/frontend_integration/test_helpers/mock_server/routes/diffs.js
index 8301627e842..eccdce268f0 100644
--- a/spec/frontend_integration/test_helpers/mock_server/routes/diffs.js
+++ b/spec/frontend_integration/test_helpers/mock_server/routes/diffs.js
@@ -12,10 +12,7 @@ export default (server) => {
     return {
       ...result,
       pagination: withValues(pagination, {
-        current_page: null,
-        next_page: null,
         total_pages: 1,
-        next_page_href: null,
       }),
     };
   });
diff --git a/spec/frontend_integration/test_helpers/setup/setup_mock_server.js b/spec/frontend_integration/test_helpers/setup/setup_mock_server.js
index 43a21deed25..6f4832992a5 100644
--- a/spec/frontend_integration/test_helpers/setup/setup_mock_server.js
+++ b/spec/frontend_integration/test_helpers/setup/setup_mock_server.js
@@ -7,6 +7,16 @@ beforeEach(() => {
 
   const server = createMockServer();
   server.logging = false;
+  server.pretender.handledRequest = (verb, path, { status, responseText }) => {
+    if (status >= 500) {
+      // eslint-disable-next-line no-console
+      console.log(`
+The mock server returned status ${status} with "${verb} ${path}":
+
+${JSON.stringify({ responseText }, null, 2)}
+`);
+    }
+  };
 
   global.mockServer = server;
 });
diff --git a/spec/frontend_integration/test_helpers/setup/setup_testing_library.js b/spec/frontend_integration/test_helpers/setup/setup_testing_library.js
index 5081b1c3b62..adc59665306 100644
--- a/spec/frontend_integration/test_helpers/setup/setup_testing_library.js
+++ b/spec/frontend_integration/test_helpers/setup/setup_testing_library.js
@@ -1,3 +1,15 @@
 import { configure } from '@testing-library/dom';
 
-configure({ asyncUtilTimeout: 10000 });
+const CUSTOM_ERROR_TYPE = 'TestingLibraryError';
+
+configure({
+  asyncUtilTimeout: 10000,
+  // Overwrite default error message to reduce noise.
+  getElementError: (messageArg) => {
+    // Add to message because the `name` doesn't look like it's used (although it should).
+    const message = `${CUSTOM_ERROR_TYPE}:\n\n${messageArg}`;
+    const error = new Error(message);
+    error.name = CUSTOM_ERROR_TYPE;
+    return error;
+  },
+});