Tweak test_depend

Signed-off-by: R Kent James <[email protected]>

Author: rkent

ament_cmake_python_test/package.xml

@@ -15,6 +15,10 @@
   <build_depend>ament_cmake</build_depend>
 
   <test_depend>python3-jinja2</test_depend>
+  <test_depend>rosidl_default_generators</test_depend>
+  <test_depend>ament_cmake_pytest</test_depend>
+  <test_depend>ament_cmake_python</test_depend>
+  <test_depend>ament_cmake</test_depend>
 
   <buildtool_export_depend>ament_cmake_core</buildtool_export_depend>