Refactored Changes after Peer Review

Author: kaiyaok2

sdk1/src/test/java/com/amazonaws/services/dynamodbv2/datamodeling/encryption/DynamoDBEncryptorTest.java

@@ -199,16 +199,15 @@ public void ensureEncryptedAttributesUnmodified() throws GeneralSecurityExceptio
     Map<String, AttributeValue> encryptedAttributes =
         encryptor.encryptAllFieldsExcept(
             Collections.unmodifiableMap(attribs), context, "hashKey", "rangeKey", "version");
-    String beforeDecryption = (new TreeMap<>(encryptedAttributes)).toString();
+    String encryptedString = new TreeMap<>(encryptedAttributes).toString();
     encryptor.decryptAllFieldsExcept(
         Collections.unmodifiableMap(encryptedAttributes),
         context,
         "hashKey",
         "rangeKey",
         "version");
-    String afterDecryption = (new TreeMap<>(encryptedAttributes)).toString();
 
-    assertEquals(beforeDecryption, afterDecryption);
+    assertEquals(encryptedString, new TreeMap<>(encryptedAttributes).toString());
   }
 
   @Test(expectedExceptions = SignatureException.class)