Fix test

Author: okorach

test/test_migration.py

@@ -94,7 +94,7 @@ def test_migration() -> None:
     assert p["branches"]["master"]["hotspots"]["acknowledged"] == 0
 
     p = json_config["projects"]["checkstyle-issues"]
-    assert len(p["branches"]["issues"]["thirdParty"]) > 0
+    assert len(p["branches"]["main"]["issues"]["thirdParty"]) > 0
 
     assert json_config["projects"]["demo:gitlab-ci-maven"]["detectedCi"] == "GitLab CI"
     assert json_config["projects"]["demo:gitlab-actions-cli"]["detectedCi"] == "Github Actions"