Update test_run_context_manager.py

Author: alahiff

tests/functional/test_run_context_manager.py

@@ -4,7 +4,7 @@
 
 import common
 
-class TestRunOffline(unittest.TestCase):
+class TestRunContext(unittest.TestCase):
     def test_context_run(self):
         """
         Create a run using a context manager & check that it exists