[Unit Test] Add unit test for OpenFunctionSourceConnector. #4547
Description
Search before asking
- I had searched in the issues and found no similar issues.
Read the unit testing guidelines
- I have read.
Unit test request
Add unit test for OpenFunctionSourceConnector.
Describe the unit tests you want to do
Add unit test for OpenFunctionSourceConnector.
Are you willing to submit PR?
- Yes I am willing to submit a PR!