fix the error made in the gaps

Author: nturgut

lib/web_ui/dev/browser_lock.yaml

@@ -34,7 +34,7 @@ ios-safari:
   # `heightOfHeader` is the number of pixels taken by the phone's header menu
   # and the browsers address bar.
   # TODO: https://github.com/flutter/flutter/issues/65672
-  heightOfHeader: 283
+  heightOfHeader: 189
   # `heightOfFooter` is the number of pixels taken by the phone's navigation
   # menu.
   heightOfFooter: 250
@@ -45,7 +45,7 @@ ios-safari:
   # phone screeen we enlarge or shrink the area by applying a linear
   # transformation by a scale_factor (a.k.a. we perform isotropic scaling).
   # This value will be differ depending on the phone.
-  scaleFactor: 1.15
+  scaleFactor: 1.145
 
 ## geckodriver is used for testing Firefox Browser. It works with multiple
 ## Firefox Browser versions.

lib/web_ui/dev/test_runner.dart

@@ -392,7 +392,8 @@ class TestCommand extends Command<bool> with ArgUtils {
     // after solving the git issue faced on macOS and Windows bots:
     // TODO: https://github.com/flutter/flutter/issues/63710
     if ((isChrome && isLuci && io.Platform.isLinux) ||
-        (isChrome && !isLuci) || (isSafariIOS && isLuci)) {
+        ((isChrome || isSafariIOS) && !isLuci) ||
+        (isSafariIOS && isLuci)) {
       print('INFO: Also running the screenshot tests.');
       // Separate screenshot tests from unit-tests. Screenshot tests must run
       // one at a time. Otherwise, they will end up screenshotting each other.