Fix IE11 tests (#11003)

This patch removes non-native events and updates some screenshots.

uitest/src/test/java/com/vaadin/tests/components/formlayout/FormLayoutResizingTest.java

@@ -71,11 +71,6 @@ public class FormLayoutResizingTest extends MultiBrowserThemeTest {
                 originalWidths[1] + 200, expandedWidths[1]);
     }
 
-    @Override
-    protected boolean useNativeEventsForIE() {
-        return !BrowserUtil.isIE(getDesiredCapabilities(), 11);
-    }
-
     private static int[] getWidths(List<TableElement> tables) {
         int[] widths = new int[tables.size()];
         for (int i = 0; i < widths.length; i++) {

uitest/src/test/java/com/vaadin/tests/tb3/AbstractTB3Test.java

@@ -25,6 +25,7 @@ import org.apache.http.HttpHost;
 import org.apache.http.HttpResponse;
 import org.apache.http.impl.client.DefaultHttpClient;
 import org.apache.http.message.BasicHttpEntityEnclosingRequest;
+import org.junit.Assume;
 import org.junit.Rule;
 import org.junit.rules.TestName;
 import org.junit.runner.Description;
@@ -1212,6 +1213,10 @@ public abstract class AbstractTB3Test extends ParallelTest {
     }
 
     protected TimeZone getBrowserTimeZone() {
+        Assume.assumeFalse(
+                "Internet Explorer 11 does not support resolvedOptions timeZone",
+                BrowserUtil.isIE(getDesiredCapabilities(), 11));
+
         // Ask TimeZone from browser
         String browserTimeZone = ((JavascriptExecutor) getDriver())
                 .executeScript(