diff --git a/tests/unittests/config/test_apt_key.py b/tests/unittests/config/test_apt_key.py
index 4c6d613f3ee..6325bca5147 100644
--- a/tests/unittests/config/test_apt_key.py
+++ b/tests/unittests/config/test_apt_key.py
@@ -123,7 +123,7 @@ def test_apt_key_list_success_machine(self, m_gpg):
 
     @mock.patch.object(cc_apt_configure.os, "listdir", return_value=())
     @mock.patch.object(cc_apt_configure.os.path, "isfile", return_value=False)
-    def test_apt_key_list_fail_no_keys(self, m_listdir, m_gpg):
+    def test_apt_key_list_fail_no_keys(self, m_isfile, m_listdir, m_gpg):
         """Ensure falsy output for no keys"""
         keys = cc_apt_configure.apt_key("list", m_gpg)
         assert not keys
@@ -138,7 +138,9 @@ def test_apt_key_list_fail_no_keys_file(self, m_listdir, m_gpg, *args):
             "list", m_gpg
         )
 
-    def test_apt_key_list_fail_bad_key_file(self, m_gpg):
+    @mock.patch.object(cc_apt_configure.os, "listdir", return_value=())
+    @mock.patch.object(cc_apt_configure.os.path, "isfile", return_value=False)
+    def test_apt_key_list_fail_bad_key_file(self, m_isfile, m_listdir, m_gpg):
         """Ensure bad gpg key doesn't throw exeption."""
         m_gpg.list_keys = mock.Mock(side_effect=subp.ProcessExecutionError)
         assert not cc_apt_configure.apt_key("list", m_gpg)