Remove some patched out tests that don't apply anymore

tests/unit/test_app.py

@@ -78,21 +78,6 @@ def test_local_dir_image_name(repo_with_content):
     )
 
 
-def test_build_kwargs(repo_with_content):
-    upstream, sha1 = repo_with_content
-    argv = [upstream]
-    app = make_r2d(argv)
-    app.extra_build_kwargs = {"somekey": "somevalue"}
-
-    with patch.object(docker.APIClient, "build") as builds:
-        builds.return_value = []
-        app.build()
-    builds.assert_called_once()
-    args, kwargs = builds.call_args
-    assert "somekey" in kwargs
-    assert kwargs["somekey"] == "somevalue"
-
-
 def test_run_kwargs(repo_with_content):
     upstream, sha1 = repo_with_content
     argv = [upstream]
@@ -107,25 +92,6 @@ def test_run_kwargs(repo_with_content):
     assert kwargs["somekey"] == "somevalue"
 
 
-def test_root_not_allowed():
-    with TemporaryDirectory() as src, patch("os.geteuid") as geteuid:
-        geteuid.return_value = 0
-        argv = [src]
-        with pytest.raises(SystemExit) as exc:
-            app = make_r2d(argv)
-            assert exc.code == 1
-
-        with pytest.raises(ValueError):
-            app = Repo2Docker(repo=src, run=False)
-            app.build()
-
-        app = Repo2Docker(repo=src, user_id=1000, user_name="jovyan", run=False)
-        app.initialize()
-        with patch.object(docker.APIClient, "build") as builds:
-            builds.return_value = []
-            app.build()
-        builds.assert_called_once()
-
 
 def test_dryrun_works_without_docker(tmpdir, capsys):
     with chdir(tmpdir):