def test_api_call_headers_with_array(self):
        """Test the self.plugin_class.make_api_call() function with headers that are an array."""
        with self.assertRaises(ValueError) as excinfo:
            headers = ['test']
            self.plugin_class.make_api_call('http://example.com', '/endpoint', hdrs=headers)
        self.assertIn("headers must be a dictionary", str(excinfo.exception))
Test the self.plugin_class.make_api_call() function with headers that are an array.
src/autogpt_plugins/api_tools/test_api_tools.py