diff --git a/.github/workflows/build.yml b/.github/workflows/test.yml
similarity index 91%
rename from .github/workflows/build.yml
rename to .github/workflows/test.yml
index b711ab3..736f1ae 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/test.yml
@@ -1,10 +1,14 @@
-name: 'build'
+name: 'test'
 on: # rebuild any PRs and main branch changes
   pull_request:
   push:
     branches:
       - main
 
+concurrency:
+  group: ${{ github.repository_owner }}-${{ github.repository }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   build:
     runs-on: ubuntu-latest
diff --git a/corax/import_test.py b/corax/import_test.py
index 369d683..e272765 100644
--- a/corax/import_test.py
+++ b/corax/import_test.py
@@ -34,10 +34,6 @@ def test_import_jax_agents(self):
 
         self.assertNotIn("reverb", sys.modules)
 
-    def test_import_mujoco_py(self):
-        pass
-        # import mujoco_py
-
 
 if __name__ == "__main__":
     absltest.main()