Fix issues in common for new sonar rules

Addressed issues reported due to updates to the sonar rules:
- invoke only one method in a junit lambda
- complete the assertion
- add DOCTYPE to html

Issue-ID: POLICY-2650
Change-Id: Ib8b8a2e4736cc23849c0f7aef972ffa3365a3e00
Signed-off-by: Jim Hahn <jrh3@att.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/gson/src/test/java/org/onap/policy/common/gson/internal/FieldSerializerTest.java b/gson/src/test/java/org/onap/policy/common/gson/internal/FieldSerializerTest.java
index cc5ef928..156e4ef3 100644
--- a/gson/src/test/java/org/onap/policy/common/gson/internal/FieldSerializerTest.java
+++ b/gson/src/test/java/org/onap/policy/common/gson/internal/FieldSerializerTest.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -89,7 +89,9 @@ public class FieldSerializerTest {
 
         text = "world";
 
-        assertThatThrownBy(() -> ser.addToTree(this, new JsonObject())).isInstanceOf(JsonParseException.class)
+        JsonObject obj = new JsonObject();
+
+        assertThatThrownBy(() -> ser.addToTree(this, obj)).isInstanceOf(JsonParseException.class)
                         .hasMessage(FieldSerializer.GET_ERR + FieldSerializerTest.class.getName() + ".text");
     }
 }