message: Fix typo in serialize test.
diff: @@ -149,7 +149,7 @@ declare class MyClass extends MyBase {
  tsLintDisables: [{ruleName: 'dumb-jokes', why: 'just ignore him'}]
  });
  assert.equal(d.serialize(), `
  -// tslint-disable:dumb-jokes: just ignore him
  +// tslint:disable:dumb-jokes just ignore him
  /// <reference path="./other-types.d.ts" />
  /// <reference path="../more/types.d.ts" />
  