Update test for new strings.

Author: jclarke-csco

tests/v2/pull.py

@@ -21,10 +21,13 @@ def test_virl_pull_invalid_repo(self):
         with requests_mock.mock() as m:
             # Mock the request to return what we expect from the API.
             topo_url = "https://raw.githubusercontent.com/"
-            topo_url += "doesnt/exist/master/topology.yaml"
+            topo_url += "doesnt/exist/main/topology.yaml"
             m.get(topo_url, status_code=400)
             virl = self.get_virl()
             runner = CliRunner()
             result = runner.invoke(virl, ["pull", "doesnt/exist"])
-            expected = "Pulling from doesnt/exist on branch master\nError pulling " "doesnt/exist - repo or file not found\n"
+            expected = (
+                "Pulling topology.yaml from doesnt/exist on branch main\nError pulling topology.yaml from doesnt/exist on branch "
+                "main - repo, file, or branch not found\n"
+            )
             self.assertEqual(result.output, expected)