diff --git a/tests/test_common.py b/tests/test_common.py
index 65159a1..42f2988 100644
--- a/tests/test_common.py
+++ b/tests/test_common.py
@@ -30,6 +30,13 @@
 
 
 class TestCommonModules(CfgCheckerTestBase):
+    def setUp(self):
+        # force env type to salt
+        os.environ['MCP_TYPE_FORCE'] = 'SALT'
+
+    def tearDown(self):
+        del os.environ['MCP_TYPE_FORCE']
+
     def test_exceptions(self):
         _m = self._try_import("cfg_checker.common.exception")
         # Get all classes from the exceptions module