getMetadata() for Session is not handling the promise #2123
Description
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();