Content handler for python.

mojo/tools/data/apptests

Index: mojo/tools/data/apptests
diff --git a/mojo/tools/data/apptests b/mojo/tools/data/apptests
index 9e789b296996dea6b90a55d9ad8a7392e084cb17..f746c87153103cd96d92e902f488b7702593aff1 100644
--- a/mojo/tools/data/apptests
+++ b/mojo/tools/data/apptests
@@ -23,6 +23,12 @@
     "test": "mojo:network_service_apptests",
   },
   {
+    "test": "mojo:example_apptests",
+    # ExampleApplicationTest.CheckCommandLineArg checks --example_apptest_arg.
+    "test-args": ["--example_apptest_arg"],
+    "shell-args": ["--url-mappings=mojo:example_service=mojo:python_example_service"],
+  },
+  {
     "test": "mojo:view_manager_service_apptests",
     "shell-args": ["--args-for=mojo:native_viewport_service --use-headless-config --use-osmesa"],
   },