Function waitForAnimationPlay

test/integration/test-video-players-helper.js:469–478

(iconElement)

        }

        function waitForAnimationPlay(iconElement) {
          return poll(
            'animation play',
            () => {
              return iconElement.classList.contains('amp-video-eq-play');
            },
            undefined,
            timeout
          );
        }
      });
    });