Disable flaky PasswordManagerInteractiveTests.

PromptForXHRWithoutOnSubmit and
PromptForFetchWithNewPasswordsWithoutOnSubmit are flaky.

TBR=vasilii@chromium.org

Bug: 1013743
Change-Id: I04af692b1def0971da8fcd418840c6acef326167
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1857088Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#705319}

chrome/browser/password_manager/password_manager_interactive_uitest.cc

@@ -179,8 +179,9 @@ IN_PROC_BROWSER_TEST_F(PasswordManagerInteractiveTest,
   prompt_observer.WaitForManagementState();
 }
 
+// Flaky. https://crbug.com/1013743
 IN_PROC_BROWSER_TEST_F(PasswordManagerInteractiveTest,
-                       PromptForXHRWithoutOnSubmit) {
+                       DISABLED_PromptForXHRWithoutOnSubmit) {
   NavigateToFile("/password/password_xhr_submit.html");
 
   // Verify that if XHR navigation occurs and the form is properly filled out,
@@ -226,8 +227,9 @@ IN_PROC_BROWSER_TEST_F(PasswordManagerInteractiveTest,
   EXPECT_TRUE(BubbleObserver(WebContents()).IsSavePromptShownAutomatically());
 }
 
+// Flaky. https://crbug.com/1013743
 IN_PROC_BROWSER_TEST_F(PasswordManagerInteractiveTest,
-                       PromptForFetchWithNewPasswordsWithoutOnSubmit) {
+                       DISABLED_PromptForFetchWithNewPasswordsWithoutOnSubmit) {
   NavigateToFile("/password/password_fetch_submit.html");
 
   // Verify that if Fetch navigation occurs and the form is properly filled out,