DevTools: [Console] fix console-viewport-selection.html test flakiness

LayoutTests/inspector/console/console-viewport-selection.html

Index: LayoutTests/inspector/console/console-viewport-selection.html
diff --git a/LayoutTests/inspector/console/console-viewport-selection.html b/LayoutTests/inspector/console/console-viewport-selection.html
index 9ba221f68da68e32b88d36ee973b386683dd163b..a6c67ae4b5782d4c3bbcf9fb79a503f9c79970d8 100644
--- a/LayoutTests/inspector/console/console-viewport-selection.html
+++ b/LayoutTests/inspector/console/console-viewport-selection.html
@@ -94,7 +94,7 @@ function test()
         {
             emulateShiftClickOnMessage(minimumViewportMessagesCount);
             dumpSelectionModel();
-            dumpBottom();
+            dumpTop();
             next();
         },
 
@@ -102,7 +102,7 @@ function test()
         {
             emulateShiftClickOnMessage(messagesCount - minimumViewportMessagesCount);
             dumpSelectionModel();
-            dumpBottom();
+            dumpTop();
             next();
         },
 
@@ -127,7 +127,7 @@ function test()
         {
             emulateShiftClickOnMessage(minimumViewportMessagesCount);
             dumpSelectionModel();
-            dumpBottom();
+            dumpTop();
             next();
         },
 
@@ -135,7 +135,7 @@ function test()
         {
             emulateShiftClickOnMessage(messagesCount - minimumViewportMessagesCount);
             dumpSelectionModel();
-            dumpBottom();
+            dumpTop();
             next();
         },
     ];