table.get() returns the families but the object is empty using getTables

t1 { AutoCreateFamily: { gcRule: null } }

t2 {}

Environment details

OS: macos 10.13.3
Node.js version: 8.10.0
npm version: 5.6.0
yarn version: 1.3.2
@google-cloud/bigtable version: master branch (0.13)

Steps to reproduce

    let [t1] = await table.get();
    console.log('t1', t1.metadata.columnFamilies);

    let [tables] = await bt.getTables();
    let t2 = tables.find(t => t.name === 'TestAutoCreate');
    console.log('t2', t2.metadata.columnFamilies);