David Paule

Right now, the `self.data_context` object is initialized within the `execute` method of the airflow `BaseOperator`. This is done in: https://github.com/astronomer/airflow-provider-great-expectations/blob/0863df8edc0d4fbafc8614d28af3a1317ba255c7/great_expectations_provider/operators/great_expectations.py#L586 However, this makes impossible to interact with the data context...