Test added for _AppCtxGlobals __repr__ method
diff --git a/tests/test_appctx.py b/tests/test_appctx.py
index 678bf510e9..251764cf7c 100644
--- a/tests/test_appctx.py
+++ b/tests/test_appctx.py
@@ -159,6 +159,8 @@ def test_app_ctx_globals_methods(app, app_ctx):
     assert flask.g.pop('bar', 'more cake') == 'more cake'
     # __iter__
     assert list(flask.g) == ['foo']
+    #__repr__
+    assert repr(flask.g) == "<flask.g of 'flask_test'>"
 
 
 def test_custom_app_ctx_globals_class(app):

I followed the instructions of how to contribute and added a test that didn't have test coverage.