Add test case for directly associated keyframe effect
Add test case for directly associated keyframe effect

angular/web-animations-js,output/web-animations-js,sfeast/web-animations-next,amitabhaghosh197/web-animations-js,runt18/web-animations-js,yakovenkodenis/web-animations-js,sfeast/web-animations-js,hgl/web-animations-next,sfeast/web-animations-js,output/web-animations-js,web-animations/web-animations-js,angular/web-animations-js,runt18/web-animations-js,acusti/web-animations-js,amitabhaghosh197/web-animations-js,runt18/web-animations-js,hgl/web-animations-next,sfeast/web-animations-next,amitabhaghosh197/web-animations-js,angular/web-animations-js,hgl/web-animations-next,garytryan/web-animations-js,web-animations/web-animations-js,web-animations/web-animations-js,output/web-animations-js,acusti/web-animations-js,yakovenkodenis/web-animations-js,garytryan/web-animations-js,sfeast/web-animations-next,sfeast/web-animations-js,yakovenkodenis/web-animations-js,garytryan/web-animations-js,acusti/web-animations-js