SerializationUtilsTest identity assertions

Replaced calls to assertTrue with a != condition with calls to
assertNotSame calls.
This change retains the functionality, but will produce a more
detailed error message in case the assertion fails.
It also (arguably) makes the test code more straight-forward.
diff --git a/src/test/java/org/apache/commons/lang3/SerializationUtilsTest.java b/src/test/java/org/apache/commons/lang3/SerializationUtilsTest.java
index cc2614f..cd20602 100644
--- a/src/test/java/org/apache/commons/lang3/SerializationUtilsTest.java
+++ b/src/test/java/org/apache/commons/lang3/SerializationUtilsTest.java
@@ -19,6 +19,7 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNotSame;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertSame;
 import static org.junit.Assert.assertTrue;
@@ -197,12 +198,12 @@
         final Object test = SerializationUtils.deserialize(inTest);
         assertNotNull(test);
         assertTrue(test instanceof HashMap<?, ?>);
-        assertTrue(test != iMap);
+        assertNotSame(test, iMap);
         final HashMap<?, ?> testMap = (HashMap<?, ?>) test;
         assertEquals(iString, testMap.get("FOO"));
-        assertTrue(iString != testMap.get("FOO"));
+        assertNotSame(iString, testMap.get("FOO"));
         assertEquals(iInteger, testMap.get("BAR"));
-        assertTrue(iInteger != testMap.get("BAR"));
+        assertNotSame(iInteger, testMap.get("BAR"));
         assertEquals(iMap, testMap);
     }
 
@@ -333,12 +334,12 @@
         final Object test = SerializationUtils.deserialize(streamReal.toByteArray());
         assertNotNull(test);
         assertTrue(test instanceof HashMap<?, ?>);
-        assertTrue(test != iMap);
+        assertNotSame(test, iMap);
         final HashMap<?, ?> testMap = (HashMap<?, ?>) test;
         assertEquals(iString, testMap.get("FOO"));
-        assertTrue(iString != testMap.get("FOO"));
+        assertNotSame(iString, testMap.get("FOO"));
         assertEquals(iInteger, testMap.get("BAR"));
-        assertTrue(iInteger != testMap.get("BAR"));
+        assertNotSame(iInteger, testMap.get("BAR"));
         assertEquals(iMap, testMap);
     }
 
@@ -381,12 +382,12 @@
         final Object test = SerializationUtils.clone(iMap);
         assertNotNull(test);
         assertTrue(test instanceof HashMap<?,?>);
-        assertTrue(test != iMap);
+        assertNotSame(test, iMap);
         final HashMap<?, ?> testMap = (HashMap<?, ?>) test;
         assertEquals(iString, testMap.get("FOO"));
-        assertTrue(iString != testMap.get("FOO"));
+        assertNotSame(iString, testMap.get("FOO"));
         assertEquals(iInteger, testMap.get("BAR"));
-        assertTrue(iInteger != testMap.get("BAR"));
+        assertNotSame(iInteger, testMap.get("BAR"));
         assertEquals(iMap, testMap);
     }