Removed flaky test cases in HtmlUnit.

Review by: kjin@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@7854 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/test/com/google/gwt/user/client/rpc/UnicodeEscapingTest.java b/user/test/com/google/gwt/user/client/rpc/UnicodeEscapingTest.java
index 102cf10..1303260 100644
--- a/user/test/com/google/gwt/user/client/rpc/UnicodeEscapingTest.java
+++ b/user/test/com/google/gwt/user/client/rpc/UnicodeEscapingTest.java
@@ -151,7 +151,9 @@
    * equivalent in that case.
    * 
    * @throws InvalidCharacterException
+   * HtmlUnit test failed intermittently in draft mode.
    */
+  @DoNotRunWith(Platform.HtmlUnitUnknown)
   public void testClientToServerBMPLow() throws InvalidCharacterException {
     delayTestFinish(TEST_FINISH_DELAY_MS);
     clientToServerVerifyRange(Character.MIN_CODE_POINT,
@@ -185,7 +187,10 @@
    * issue, particularly with combining marks, though they should be logically
    * equivalent in that case.  Surrogate characters are also not tested here,
    * see {@link #disabled_testServerToClientBMPSurrogates()}.
+   * 
+   * HtmlUnit test failed intermittently in draft mode.
    */
+  @DoNotRunWith(Platform.HtmlUnitUnknown)
   public void testServerToClientBMP() {
     delayTestFinish(TEST_FINISH_DELAY_MS);
     serverToClientVerify(Character.MIN_CODE_POINT,
diff --git a/user/test/com/google/gwt/user/client/ui/DialogBoxTest.java b/user/test/com/google/gwt/user/client/ui/DialogBoxTest.java
index 4527bb5..d6603ae 100644
--- a/user/test/com/google/gwt/user/client/ui/DialogBoxTest.java
+++ b/user/test/com/google/gwt/user/client/ui/DialogBoxTest.java
@@ -17,6 +17,8 @@
 
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
+import com.google.gwt.junit.DoNotRunWith;
+import com.google.gwt.junit.Platform;
 import com.google.gwt.user.client.Command;
 import com.google.gwt.user.client.DOM;
 import com.google.gwt.user.client.DeferredCommand;
@@ -110,6 +112,10 @@
     });
   }
 
+  /**
+   * HtmlUnit test failed intermittently in nometa mode.
+   */
+  @DoNotRunWith(Platform.HtmlUnitUnknown)
   @Override
   public void testDependantPopupPanel() {
     // Create the dependent popup