Rollback of commit 1cd224a17bfe30f7d3c0e7f5eaada3e0331ff31a.

*** Reason for rollback ***

Re-enabling tests now that they are passing

*** Original change description ***

Disable broken tests.

--
MOS_MIGRATED_REVID=131825670
diff --git a/scripts/bash_completion_test.sh b/scripts/bash_completion_test.sh
index 208690f..82a0fa3 100755
--- a/scripts/bash_completion_test.sh
+++ b/scripts/bash_completion_test.sh
@@ -527,8 +527,7 @@
                      'build streamer2/stuff/'
 }
 
-# TODO(b/30966418): Re-enable when fixed.
-disabled_test_target_expansion() {
+test_target_expansion() {
     # 'Test expansion of target names within packages'
 
     make_packages