Disable native array tests in DevMode.

Change-Id: I87506e244d286d0e6bc1f8c8d47df40dcca5c74a
diff --git a/user/test/com/google/gwt/dev/jjs/test/ArrayTest.java b/user/test/com/google/gwt/dev/jjs/test/ArrayTest.java
index 908f417..b4f5368 100644
--- a/user/test/com/google/gwt/dev/jjs/test/ArrayTest.java
+++ b/user/test/com/google/gwt/dev/jjs/test/ArrayTest.java
@@ -16,6 +16,8 @@
 package com.google.gwt.dev.jjs.test;
 
 import com.google.gwt.core.client.JavaScriptObject;
+import com.google.gwt.junit.DoNotRunWith;
+import com.google.gwt.junit.Platform;
 import com.google.gwt.junit.client.GWTTestCase;
 
 import java.util.List;
@@ -34,6 +36,7 @@
     return new Array(length);
   }-*/;
 
+  @DoNotRunWith(Platform.Devel)
   public void testObjectArray_empty() {
     Object nativeArray = createJsArray(0);
     assertTrue(nativeArray instanceof Object[]);
@@ -52,6 +55,7 @@
     assertFalse(objectArray.equals(nativeArray));
   }
 
+  @DoNotRunWith(Platform.Devel)
   public void testObjectArray_nonEmpty() {
     // Native array is an object array
     Object nativeArray = createJsArray(10);