fix previous commit: RGAA 5.4 requires arrays to have defined captions (#2356)

5 jobs for v2.0 in 20 minutes and 19 seconds (queued for 10 seconds)
Status Job ID Name Coverage
  Build
passed #32957
build_bionic

00:04:06

passed #32956
build_buster

00:03:00

passed #32958
build_centos_7

00:05:48

passed #32959
build_centos_8

00:03:21

passed #32955
build_stretch

00:04:02