docstr: Test if Variable is present in Environment Variable, it does not look for it in
  Metastore DB
docstr_tok: ["Test","if","Variable","is","present","in","Environment","Variable",",","it","does","not","look","for","it","in","Metastore","DB"]
code: def test_get_variable_first_try(self, mock_env_get, mock_meta_get):
      """
      Test if Variable is present in Environment Variable, it does not look for it in
      Metastore DB
      """
      mock_env_get.return_value = "something"
      Variable.get_variable_from_secrets("fake_var_key")
      mock_env_get.assert_called_once_with(key="fake_var_key")
      mock_meta_get.assert_not_called()
  
imports: from __future__ import annotations
  from unittest import mock
  import pytest
  from airflow.configuration import ensure_secrets_loaded, initialize_secrets_backends
  from airflow.models import Connection, Variable
  from airflow.secrets.cache import SecretCache
  from tests.test_utils.config import conf_vars
  from tests.test_utils.db import clear_db_variables
label_desc: Use image node_id 4 for calling the TestVariableFromSecrets obj's underlying member method code with example usage: obj.test_get_variable_first_try(mock_env_get, mock_meta_get) without return types