Add Javadoc compile to TrafficCapture tests

Signed-off-by: Andre Kurait <akurait@amazon.com>

TrafficCapture/build.gradle

@@ -117,6 +117,9 @@ allprojects {
     }
 
     tasks.withType(Test) {
+        // Getting javadoc to compile is part of the test suite to ensure we are able to publish our artifacts
+        dependsOn project.javadoc
+
         // Provide way to exclude particular tests from CLI
         // e.g. ./gradlew test -PexcludeTests=**/KafkaProtobufConsumerLongTermTest*
         if (project.hasProperty('excludeTests')) {