Unable to get the metadata for a Session using await instead of callback. Error: TypeError: callback is not a function at callback!(err, resp); Steps to reproduce - ``` const {Spanner} = require('@google-cloud/spanner'); const spanner = new Spanner({ projectId: projectId, }); const instance = spanner.instance(instanceId); const database = instance.database(databaseId); const session = await database.createSession(); const metadata = await session[0].getMetadata(); ```
Unable to get the metadata for a Session using await instead of callback.
Error: TypeError: callback is not a function at callback!(err, resp);
Steps to reproduce -