Speed up tests (a bit) (#2776)

Make independent long path test

micromamba/tests/conftest.py

@@ -154,7 +154,7 @@ def tmp_root_prefix(
     # os.environ restored by tmp_clean_env and tmp_environ
 
 
-@pytest.fixture(params=[helpers.random_string, "long_prefix_" * 20])
+@pytest.fixture(params=[helpers.random_string])
 def tmp_env_name(request) -> str:
     """Return the explicit or implicit parametrization."""
     if callable(request.param):

micromamba/tests/test_create.py

@@ -887,3 +887,9 @@ def test_pre_commit_compat(tmp_home, tmp_root_prefix, tmp_path):
         if pre_commit_log.exists():
             print(pre_commit_log.read_text())
         raise
+
+
+def test_long_path_support(tmp_home, tmp_root_prefix):
+    """Create an environment with a long name."""
+    res = helpers.create("-n", "long_prefix_" * 20, "--json")
+    assert res["success"]