x-outer1', html`<x-inner1><slot></slot></x-inner1>`);
      defineTestElement('x-compose-slot1', html`<x-outer1>test</x-outer1>`);

      defineTestElement('x-inner2', html`<slot></slot>`);
      defineTestElement('x-outer2', html`<x-inner2><slot></slot></x-inner2>`);
      defineTestElement('x-compose-slot2', html`<x-outer2>test</x-outer2>`);


      defineTestElement('x-test-connected', '', function() {
        if (!this.connectCount) {
          this.connectCount = 0;
        }
        this.connectCount+