(chocolatey#499) Add specs for template service list noop

Add tests to ensure that the template service list noop function outputs
the correct log messages.

src/chocolatey.tests/infrastructure.app/services/TemplateServiceSpecs.cs

@@ -824,5 +824,42 @@ public void should_use_template_name_from_command_line_option()
                 config.NewCommand.TemplateName.ShouldEqual("zip");
             }
         }
+
+        public class when_list_noop_is_called : TemplateServiceSpecsBase
+        {
+            private Action because;
+            private readonly ChocolateyConfiguration config = new ChocolateyConfiguration();
+
+            public override void Because()
+            {
+                because = () => service.list_noop(config);
+            }
+
+            public override void BeforeEachSpec()
+            {
+                MockLogger.reset();
+            }
+
+            [Fact]
+            public void should_log_template_location_if_no_template_name()
+            {
+                because();
+
+                var infos = MockLogger.MessagesFor(LogLevel.Info);
+                infos.Count.ShouldEqual(1);
+                infos[0].ShouldEqual("Would have listed templates in {0}".format_with(ApplicationParameters.TemplatesLocation));
+            }
+
+            [Fact]
+            public void should_log_template_name_if_template_name()
+            {
+                config.TemplateCommand.Name = "msi";
+                because();
+
+                var infos = MockLogger.MessagesFor(LogLevel.Info);
+                infos.Count.ShouldEqual(1);
+                infos[0].ShouldEqual("Would have listed information about {0}".format_with(config.TemplateCommand.Name));
+            }
+        }
     }
 }