Fix NullPointerException in DockerServiceTest

Author: Mark Robinson

src/test/java/org/commonwl/view/cwl/CWLServiceTest.java

@@ -5,8 +5,6 @@
 import org.commonwl.view.workflow.WorkflowOverview;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.junit4.SpringRunner;
@@ -19,8 +17,6 @@
 @SpringBootTest
 public class CWLServiceTest {
 
-    private final Logger logger = LoggerFactory.getLogger(this.getClass());
-
     /**
      * Create a service to test
      */

src/test/java/org/commonwl/view/docker/DockerServiceTest.java

@@ -22,7 +22,7 @@ public void getDockerHubURL() throws Exception {
         String test3 = DockerService.getDockerHubURL("ubuntu");
         assertEquals("https://hub.docker.com/r/_/ubuntu", test3);
 
-        String test4 = DockerService.getDockerHubURL(null);
+        String test4 = DockerService.getDockerHubURL("clearly/not/a/valid/tag");
         assertNull(test4);
 
     }