[reports] show exp warning on hover in tableItems

2 jobs for 531-532-exp-table-issues in 18 minutes and 44 seconds (queued for 9 seconds)
Status Job ID Name Coverage
  Build
passed #171657
docker-build
build_linux_36

00:18:44

66.0%
failed #171641
docker-build
build_linux_36

00:13:56