meson: enable tests for orc code

8 jobs for meson-orc-tests in 20 minutes and 5 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Preparation
passed #82112
gst indent

00:00:30

passed #82111
manifest

00:00:20

 
  Build
passed #82113
build fedora x86_64

00:02:56

 
  Test
passed #82114
check fedora

00:03:27

 
  Full Builds
passed #82115
build android arm64 api28

00:03:09

passed #82117
build cerbero cross win32

00:09:31

passed #82118
build cerbero cross win64

00:12:09

passed #82116
build cerbero fedora x86_64

00:12:51