[ios] Increase timeout for ARQuickLookEGTest to address EG2 flakiness

Bug: 1060374
Change-Id: I75f2df23ef35ff16e912fd0c037333a329bdd459
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2097333
Commit-Queue: Ali Juma <ajuma@chromium.org>
Auto-Submit: Eugene But <eugenebut@chromium.org>
Reviewed-by: Ali Juma <ajuma@chromium.org>
Cr-Commit-Position: refs/heads/master@{#749218}

ios/chrome/browser/ui/download/ar_quick_look_egtest.mm

@@ -37,6 +37,11 @@ using base::test::ios::kWaitForUIElementTimeout;
 
 namespace {
 
+#if defined(CHROME_EARL_GREY_2)
+// Use separate timeout for EG2 tests to accomodate for IPC delays.
+const NSTimeInterval kWaitForARPresentationTimeout = 30.0;
+#endif  // CHROME_EARL_GREY_2
+
 // USDZ landing page and download request handler.
 std::unique_ptr<net::test_server::HttpResponse> GetResponse(
     const net::test_server::HttpRequest& request) {
@@ -111,8 +116,9 @@ std::unique_ptr<net::test_server::HttpResponse> GetResponse(
   // presentation.
   XCUIApplication* app = [[XCUIApplication alloc] init];
   XCUIElement* goodTitle = app.staticTexts[@"good"];
-  GREYAssert([goodTitle waitForExistenceWithTimeout:kWaitForDownloadTimeout],
-             @"AR preview dialog UI was not presented");
+  GREYAssert(
+      [goodTitle waitForExistenceWithTimeout:kWaitForARPresentationTimeout],
+      @"AR preview dialog UI was not presented");
 #else
 #error Must define either CHROME_EARL_GREY_1 or CHROME_EARL_GREY_2.
 #endif
@@ -143,7 +149,7 @@ std::unique_ptr<net::test_server::HttpResponse> GetResponse(
   XCUIApplication* app = [[XCUIApplication alloc] init];
   XCUIElement* goodTitle = app.staticTexts[@"good"];
   GREYAssertFalse(
-      [goodTitle waitForExistenceWithTimeout:kWaitForDownloadTimeout],
+      [goodTitle waitForExistenceWithTimeout:kWaitForARPresentationTimeout],
       @"AR preview dialog UI was presented");
 #else
 #error Must define either CHROME_EARL_GREY_1 or CHROME_EARL_GREY_2.
@@ -175,7 +181,7 @@ std::unique_ptr<net::test_server::HttpResponse> GetResponse(
   XCUIApplication* app = [[XCUIApplication alloc] init];
   XCUIElement* goodTitle = app.staticTexts[@"good"];
   GREYAssertFalse(
-      [goodTitle waitForExistenceWithTimeout:kWaitForDownloadTimeout],
+      [goodTitle waitForExistenceWithTimeout:kWaitForARPresentationTimeout],
       @"AR preview dialog UI was presented");
 #else
 #error Must define either CHROME_EARL_GREY_1 or CHROME_EARL_GREY_2.
@@ -207,7 +213,7 @@ std::unique_ptr<net::test_server::HttpResponse> GetResponse(
   XCUIApplication* app = [[XCUIApplication alloc] init];
   XCUIElement* goodTitle = app.staticTexts[@"good"];
   GREYAssertFalse(
-      [goodTitle waitForExistenceWithTimeout:kWaitForDownloadTimeout],
+      [goodTitle waitForExistenceWithTimeout:kWaitForARPresentationTimeout],
       @"AR preview dialog UI was presented");
 #else
 #error Must define either CHROME_EARL_GREY_1 or CHROME_EARL_GREY_2.