test: minor fixture refactor fixes from @pared and @efiop

Co-Authored-By: Ruslan Kuprieiev <[email protected]>
Co-Authored-By: Paweł Redzyński <[email protected]>

tests/dir_helpers.py

@@ -90,7 +90,7 @@ class TmpDir(pathlib.Path):
         if commit:
             self.scm.commit(commit)
 
-    # Introspection mehtods
+    # Introspection methods
     def list(self):
         return [p.name for p in self.iterdir()]
 

tests/func/test_add.py

@@ -59,7 +59,7 @@ class TestAdd(TestDvc):
         self.assertTrue(os.path.isfile(stage.path))
 
 
-class TestAddUnupportedFile(TestDvc):
+class TestAddUnsupportedFile(TestDvc):
     def test(self):
         with self.assertRaises(DvcException):
             self.dvc.add("unsupported://unsupported")

tests/func/test_api.py

@@ -62,9 +62,9 @@ def test_open(remote_url, tmp_dir, dvc):
 
 @pytest.mark.parametrize("remote_url", all_remote_params, indirect=True)
 def test_open_external(remote_url, erepo_dir):
-    erepo_dir.dvc.scm.checkout("branch")
+    erepo_dir.scm.checkout("branch")
     _set_remote_url_and_commit(erepo_dir.dvc, remote_url)
-    erepo_dir.dvc.scm.checkout("master")
+    erepo_dir.scm.checkout("master")
     _set_remote_url_and_commit(erepo_dir.dvc, remote_url)
 
     erepo_dir.dvc.push(all_branches=True)