Merge pull request #73 from winterchord/clean_up_hello_world_tests

Clean up hello-world tests

hello-world/src/test/java/HelloWorldTest.java

     }
 
     @Test
-    public void helloAnotherSampleName() throws Exception {
+    public void helloAnotherSampleName() {
         assertEquals("Hello, Bob!", HelloWorld.hello("Bob"));
     }
 }