HUE-6083 [metadata] Update test to look for content in json
HUE-6083 [metadata] Update test to look for content in json

kawamon/hue,cloudera/hue,cloudera/hue,todaychi/hue,kawamon/hue,kawamon/hue,cloudera/hue,cloudera/hue,cloudera/hue,xq262144/hue,kawamon/hue,kawamon/hue,kawamon/hue,xq262144/hue,kawamon/hue,xq262144/hue,kawamon/hue,todaychi/hue,kawamon/hue,cloudera/hue,todaychi/hue,xq262144/hue,cloudera/hue,cloudera/hue,kawamon/hue,todaychi/hue,kawamon/hue,todaychi/hue,cloudera/hue,kawamon/hue,todaychi/hue,todaychi/hue,kawamon/hue,todaychi/hue,cloudera/hue,cloudera/hue,cloudera/hue,kawamon/hue,xq262144/hue,cloudera/hue,xq262144/hue,xq262144/hue,kawamon/hue,cloudera/hue,cloudera/hue,cloudera/hue,kawamon/hue,xq262144/hue,cloudera/hue,kawamon/hue,xq262144/hue,kawamon/hue,todaychi/hue,cloudera/hue