tests: Adapt tests to recent changes.

rhodecode/tests/lib/middleware/utils/test_scm_app_http.py

@@ -33,7 +33,7 b' def vcs_http_app(vcsserver_http_echo_app'
     """
     git_url = vcsserver_http_echo_app.http_url + 'stream/git/'
     vcs_http_proxy = scm_app_http.VcsHttpProxy(
-        git_url, 'stub_path', 'stub_name', None)
+        git_url, 'stub_path', 'stub_name', None, 'stub_backend')
     app = webtest.TestApp(vcs_http_proxy)
     return app
 

rhodecode/tests/lib/middleware/utils/test_scm_app_http_chunking.py

@@ -133,4 +133,4 b' def create_scm_app():'
     """
     echo_app_url = os.environ["RC_ECHO_URL"]
     return scm_app_http.VcsHttpProxy(
-        echo_app_url, 'stub_path', 'stub_name', None)
+        echo_app_url, 'stub_path', 'stub_name', None, 'stub_backend')