Disable FIAM iPad tests #8286

Author: paulb777

.github/workflows/inappmessaging.yml

@@ -35,7 +35,10 @@ jobs:
     runs-on: macos-11
     strategy:
       matrix:
-        platform: [iOS, iPad]
+# TODO(#8682): Reenable iPad after fixing Xcode 13 test failures.
+#        platform: [iOS, iPad]
+        platform: [iOS]
+
     steps:
     - uses: actions/checkout@v2
     - name: Setup Bundler