Update test ExamplePluginConfg.php to match test.

Tests/PHPCI/Plugin/Util/ExamplePluginConfig.php

@@ -4,19 +4,10 @@ return function (PHPCI\Plugin\Util\Factory $factory) {
         // This function will be called when the resource is needed.
         function() {
             return array(
-                'Foo' => "Stuff",
-                'Bar' => "More Stuff"
+                'bar' => "Hello",
             );
         },
-
-        // In addition to the function for building the resource the system
-        // also needs to be told when to load the resource. Either or both
-        // of the following arguments can be used (null to ignore)
-
-        // This resource will only be given when the argument name is:
-        "ResourceArray",
-
-        // The resource will only be given when the type hint is:
-        PHPCI\Plugin\Util\Factory::TYPE_ARRAY
+        "requiredArgument",
+        null
     );
 };