message: runtime: fix tests to match new output delimiters
diff: @@ -6,7 +6,7 @@ describe('Stylable runtime stylesheet', () => {
  const stylesheet = create(
  'entry',
  {
  - classes: { root: 'entry--root' },
  + classes: { root: 'entry__root' },
  keyframes: {},
  vars: {},
  stVars: {}
  @@ -17,14 +17,14 @@ describe('Stylable runtime stylesheet', () => {
  null
  );
  - expect(stylesheet.classes.root).to.equal('entry--root');
  + expect(stylesheet.classes.root).to.equal('entry__root');
  });
  it('creates stylesheet with css vars ', () => {
  const stylesheet = create(
  'entry',
  {
  - classes: { root: 'entry--root' },
  + classes: { root: 'entry__root' },
  keyframes: {},
  vars: { '--myVar': '--entry-myVar' },
  stVars: {}
  