Add test cases for 65% branch coverage

Format the Test classes to adhere to ONAP Java style

Change-Id: I9efad3caa532c4db73bb20327d0356b3af5ed2b1
Issue-ID: DMAAP-1195
Signed-off-by: econwar <conor.ward@est.tech>
diff --git a/datarouter-node/pom.xml b/datarouter-node/pom.xml
index 06aa3fc..a4de6f7 100755
--- a/datarouter-node/pom.xml
+++ b/datarouter-node/pom.xml
@@ -128,6 +128,11 @@
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.awaitility</groupId>
+            <artifactId>awaitility</artifactId>
+            <version>3.1.6</version>
+        </dependency>
     </dependencies>
     <profiles>
         <profile>