CWVAutofillControllerTest.FetchSuggestions is Flaky

Bug:991008
TBR=jzw@chromium.org

Change-Id: I38399f22277d0b776304448ce4210d0900dc552d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1736711Reviewed-by: Gang Wu <gangwu@chromium.org>
Commit-Queue: Gang Wu <gangwu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#684177}

ios/web_view/internal/autofill/cwv_autofill_controller_unittest.mm

@@ -104,7 +104,8 @@ class CWVAutofillControllerTest : public TestWithLocaleAndResources {
 };
 
 // Tests CWVAutofillController fetch suggestions.
-TEST_F(CWVAutofillControllerTest, FetchSuggestions) {
+// TODO(crbug.com/990938): Flaky test
+TEST_F(CWVAutofillControllerTest, DISABLED_FetchSuggestions) {
   FormSuggestion* suggestion =
       [FormSuggestion suggestionWithValue:kTestFieldValue
                        displayDescription:nil