Changes to Tests connection execution by temporarily creating new connection and scheduler.

added the new optional request property fromConnector/methods/items/connector

added the new optional request property fromConnector/methods/items/methodType

added the new optional request property toConnector/methods/items/connector

added the new optional request property toConnector/methods/items/methodType

added the non-success response with the status 400

added the non-success response with the status 403

added the optional property fromConnector/methods/items/connector to the response with the 200 status

added the optional property fromConnector/methods/items/methodType to the response with the 200 status

added the optional property toConnector/methods/items/connector to the response with the 200 status

added the optional property toConnector/methods/items/methodType to the response with the 200 status