[ios] Fix Translate tests for Multi-Window

For some reason in MW, going down 200 makes it 'Translate'
visible but un-tappable. This CL adds 50 more unit down,

Bug: 1108400
Change-Id: I9ba2f910e45b70d977eac1013e6566baf271e70e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2335283
Commit-Queue: Mark Cogan <marq@chromium.org>
Reviewed-by: Mark Cogan <marq@chromium.org>
Auto-Submit: David Jean <djean@chromium.org>
Cr-Commit-Position: refs/heads/master@{#795880}

ios/chrome/browser/translate/translate_egtest.mm

@@ -1457,7 +1457,7 @@ void TestResponseProvider::GetLanguageResponse(
   // Make sure the Translate manual trigger button is enabled and tap it.
   [ChromeEarlGreyUI openToolsMenu];
   [[[[EarlGrey selectElementWithMatcher:toolsMenuTranslateButton()]
-         usingSearchAction:grey_scrollInDirection(kGREYDirectionDown, 200)
+         usingSearchAction:grey_scrollInDirection(kGREYDirectionDown, 250)
       onElementWithMatcher:ToolsMenuView()]
       assertWithMatcher:grey_not(grey_accessibilityTrait(
                             UIAccessibilityTraitNotEnabled))]
@@ -1482,7 +1482,7 @@ void TestResponseProvider::GetLanguageResponse(
   // Make sure the Translate manual trigger button is enabled and tap it.
   [ChromeEarlGreyUI openToolsMenu];
   [[[[EarlGrey selectElementWithMatcher:toolsMenuTranslateButton()]
-         usingSearchAction:grey_scrollInDirection(kGREYDirectionDown, 200)
+         usingSearchAction:grey_scrollInDirection(kGREYDirectionDown, 250)
       onElementWithMatcher:ToolsMenuView()]
       assertWithMatcher:grey_not(grey_accessibilityTrait(
                             UIAccessibilityTraitNotEnabled))]
@@ -1546,7 +1546,7 @@ void TestResponseProvider::GetLanguageResponse(
   // Tap the Translate manual trigger button.
   [ChromeEarlGreyUI openToolsMenu];
   [[[EarlGrey selectElementWithMatcher:toolsMenuTranslateButton()]
-         usingSearchAction:grey_scrollInDirection(kGREYDirectionDown, 200)
+         usingSearchAction:grey_scrollInDirection(kGREYDirectionDown, 250)
       onElementWithMatcher:ToolsMenuView()] performAction:grey_tap()];
 
   // Make sure the infobar reappears.
@@ -1599,7 +1599,7 @@ void TestResponseProvider::GetLanguageResponse(
   // Tap the Translate manual trigger button.
   [ChromeEarlGreyUI openToolsMenu];
   [[[EarlGrey selectElementWithMatcher:toolsMenuTranslateButton()]
-         usingSearchAction:grey_scrollInDirection(kGREYDirectionDown, 200)
+         usingSearchAction:grey_scrollInDirection(kGREYDirectionDown, 250)
       onElementWithMatcher:ToolsMenuView()] performAction:grey_tap()];
 
   // Make sure the infobar reappears.

ios/chrome/browser/ui/infobars/translate_infobar_egtest.mm

@@ -996,7 +996,7 @@ void TestResponseProvider::GetLanguageResponse(
   [[[[EarlGrey selectElementWithMatcher:grey_allOf(grey_accessibilityID(
                                                        kToolsMenuTranslateId),
                                                    grey_interactable(), nil)]
-         usingSearchAction:grey_scrollInDirection(kGREYDirectionDown, 200)
+         usingSearchAction:grey_scrollInDirection(kGREYDirectionDown, 250)
       onElementWithMatcher:chrome_test_util::ToolsMenuView()]
       assertWithMatcher:grey_not(grey_accessibilityTrait(
                             UIAccessibilityTraitNotEnabled))]