add uncertainty ellipse text when they are a good approximation

5 jobs for master in 5 minutes and 54 seconds (queued for 10 seconds)
latest
Status Job ID Name Coverage
  Build
passed #131127
build

00:00:13

 
  Test
passed #131129
lint

00:00:17

passed #131128
test

00:05:27

84.0%
 
  Deploy
passed #131130
pages

00:00:13

passed pages:deploy

00:00:01