message: Remove unnecessary options
diff: @@ -286,11 +286,7 @@ expectAssignable<{ k1: { i3: { j1: string; j3: string } }; k2: number; k3: numbe
  );
  expectAssignable<FormApplication.Options>(
  - foundry.utils.mergeObject(
  - FormApplication.defaultOptions,
  - {
  + foundry.utils.mergeObject(FormApplication.defaultOptions, {
  classes: ['my', 'custom', 'css']
  - },
  - { insertKeys: false }
  - )
  + })
  );
  