diff --git a/helix-rest/pom.xml b/helix-rest/pom.xml
index ac986da977a..e3cfad6b8e5 100644
--- a/helix-rest/pom.xml
+++ b/helix-rest/pom.xml
@@ -184,6 +184,12 @@
       <artifactId>swagger-models</artifactId>
       <version>1.6.4</version>
     </dependency>
+    <dependency>
+      <groupId>org.skyscreamer</groupId>
+      <artifactId>jsonassert</artifactId>
+      <version>1.5.1</version>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
   <build>
     <resources>
diff --git a/helix-rest/src/test/java/org/apache/helix/rest/server/TestResourceAssignmentOptimizerAccessor.java b/helix-rest/src/test/java/org/apache/helix/rest/server/TestResourceAssignmentOptimizerAccessor.java
index 63afe8a2433..aa1e4993e1c 100644
--- a/helix-rest/src/test/java/org/apache/helix/rest/server/TestResourceAssignmentOptimizerAccessor.java
+++ b/helix-rest/src/test/java/org/apache/helix/rest/server/TestResourceAssignmentOptimizerAccessor.java
@@ -38,7 +38,7 @@
 import org.apache.helix.model.IdealState;
 import org.apache.helix.model.InstanceConfig;
 import org.apache.helix.rest.server.resources.helix.ResourceAssignmentOptimizerAccessor;
-import org.testng.Assert;
+import org.json.JSONException;import org.skyscreamer.jsonassert.JSONAssert;import org.testng.Assert;
 import org.testng.annotations.AfterClass;
 import org.testng.annotations.BeforeClass;
 import org.testng.annotations.Test;
@@ -99,7 +99,7 @@ public void afterClass() {
   }
 
   @Test
-  public void testComputePartitionAssignment() throws IOException {
+  public void testComputePartitionAssignment() throws IOException, JSONException {
     System.out.println("Start test :" + TestHelper.getTestMethodName());
 
     // Test AddInstances, RemoveInstances and SwapInstances
@@ -121,8 +121,7 @@ public void testComputePartitionAssignment() throws IOException {
     Assert.assertTrue(headers.containsKey(ResourceAssignmentOptimizerAccessor.RESPONSE_HEADER_KEY));
     Assert.assertFalse(
         headers.get(ResourceAssignmentOptimizerAccessor.RESPONSE_HEADER_KEY).isEmpty());
-    Assert.assertEquals(headers.get(ResourceAssignmentOptimizerAccessor.RESPONSE_HEADER_KEY).get(0),
-        "{instanceFilter=[], resourceFilter=[], returnFormat=IdealStateFormat}");
+    JSONAssert.assertEquals((String) headers.get(ResourceAssignmentOptimizerAccessor.RESPONSE_HEADER_KEY).get(0), "{instanceFilter=[], resourceFilter=[], returnFormat=IdealStateFormat}", false);
 
     // Test partitionAssignment InstanceFilter
     String payload2 = "{\"Options\" : { \"InstanceFilter\" : [\"" + liveInstances.get(0) + "\" , \""
@@ -142,18 +141,13 @@ public void testComputePartitionAssignment() throws IOException {
     MultivaluedMap<String, Object> headers2 = response2.getHeaders();
     Assert
         .assertTrue(headers2.containsKey(ResourceAssignmentOptimizerAccessor.RESPONSE_HEADER_KEY));
-    List partitionAssignmentMetadata2 =
-        headers2.get(ResourceAssignmentOptimizerAccessor.RESPONSE_HEADER_KEY);
+    List partitionAssignmentMetadata2 = headers2.get(ResourceAssignmentOptimizerAccessor.RESPONSE_HEADER_KEY);
     Assert.assertFalse(
         headers2.get(ResourceAssignmentOptimizerAccessor.RESPONSE_HEADER_KEY).isEmpty());
-    Assert.assertTrue(
-        partitionAssignmentMetadata2.get(0).equals(
-            "{instanceFilter=[" + liveInstances.get(0) + ", " + liveInstances.get(1)
-            + "], resourceFilter=[], returnFormat=IdealStateFormat}") ||
-        partitionAssignmentMetadata2.get(0).equals(
-            "{instanceFilter=[" + liveInstances.get(1) + ", " + liveInstances.get(0)
-                + "], resourceFilter=[], returnFormat=IdealStateFormat}"),
-        partitionAssignmentMetadata2.get(0).toString());
+    JSONAssert.assertEquals("{instanceFilter=[" + liveInstances.get(0) + ", " + liveInstances.get(1) + "], "
+    + "resourceFilter=[], " + "returnFormat=IdealStateFormat}", partitionAssignmentMetadata2.get(0).toString(), false);
+    JSONAssert.assertEquals("{instanceFilter=[" + liveInstances.get(0) + ", " + liveInstances.get(1) + "], "
+        + "resourceFilter=[], " + "returnFormat=IdealStateFormat}", ((String) partitionAssignmentMetadata2.get(0)), false);
 
     // Test partitionAssignment ResourceFilter
     String payload3 =
@@ -177,14 +171,8 @@ public void testComputePartitionAssignment() throws IOException {
         headers3.get(ResourceAssignmentOptimizerAccessor.RESPONSE_HEADER_KEY);
     Assert.assertFalse(
         headers3.get(ResourceAssignmentOptimizerAccessor.RESPONSE_HEADER_KEY).isEmpty());
-    Assert.assertTrue(
-        partitionAssignmentMetadata3.get(0).equals(
-            "{instanceFilter=[], resourceFilter=[" + resources.get(0) + ", " + resources.get(1)
-                + "], returnFormat=IdealStateFormat}") ||
-        partitionAssignmentMetadata3.get(0).equals(
-                "{instanceFilter=[], resourceFilter=[" + resources.get(1) + ", " + resources.get(0)
-                    + "], returnFormat=IdealStateFormat}"),
-        partitionAssignmentMetadata3.get(0).toString());
+    JSONAssert.assertEquals("{instanceFilter=[], resourceFilter=[" + resources.get(0) + ", " + resources.get(1)
+        + "], returnFormat=IdealStateFormat}", partitionAssignmentMetadata3.get(0).toString(), false);
 
     // Test Option CurrentState format with AddInstances, RemoveInstances and SwapInstances
     String payload4 = "{\"InstanceChange\" : { \"ActivateInstances\" : [\"" + toEnabledInstance
@@ -211,14 +199,9 @@ public void testComputePartitionAssignment() throws IOException {
         headers4.get(ResourceAssignmentOptimizerAccessor.RESPONSE_HEADER_KEY);
     Assert.assertFalse(
         headers4.get(ResourceAssignmentOptimizerAccessor.RESPONSE_HEADER_KEY).isEmpty());
-    Assert.assertTrue(
-        partitionAssignmentMetadata4.get(0).equals(
-            "{instanceFilter=[], resourceFilter=[" + resources.get(0) + ", " + resources.get(1)
-                + "], returnFormat=CurrentStateFormat}") ||
-        partitionAssignmentMetadata4.get(0).equals(
-                "{instanceFilter=[], resourceFilter=[" + resources.get(1) + ", " + resources.get(0)
-                    + "], returnFormat=CurrentStateFormat}"),
-        partitionAssignmentMetadata4.get(0).toString());
+    JSONAssert.assertEquals(partitionAssignmentMetadata4.get(0).toString(),
+      "{instanceFilter=[], resourceFilter=[" + resources.get(0) + ", " + resources.get(1)+ "], returnFormat" +
+      "=CurrentStateFormat}",false);
 
     System.out.println("End test :" + TestHelper.getTestMethodName());
   }