change: remove hardcoded creds from integ test (#1029)

Author: laurenyu

tests/integ/test_git.py

@@ -233,14 +233,15 @@ def test_git_support_with_sklearn_ssh_passphrase_not_configured(
 
 
 @pytest.mark.local_mode
+@pytest.mark.skip("needs a secure authentication approach")
 def test_git_support_codecommit_with_mxnet(sagemaker_local_session):
     script_path = "mnist.py"
     data_path = os.path.join(DATA_DIR, "mxnet_mnist")
     git_config = {
         "repo": CODECOMMIT_REPO,
         "branch": CODECOMMIT_BRANCH,
         "username": "GitTest-at-142577830533",
-        "password": "22LcZpWMtjpDG3fbOuHPooIoKoRxF36rQj7zdUvXooA=",
+        "password": "",  # TODO: assume a role to get temporary credentials
     }
     source_dir = "mxnet"
     dependencies = ["foo/bar.py"]