patch 8.1.1544: some balloon tests don't run when they can
Problem: Some balloon tests don't run when they can.
Solution: Split GUI balloon tests off into a separate file. (Ozaki Kiichi,
closes #4538) Change the feature check into a command for
consistency.
diff --git a/src/testdir/test_vartabs.vim b/src/testdir/test_vartabs.vim
index 640aa0b..b0f3e15 100644
--- a/src/testdir/test_vartabs.vim
+++ b/src/testdir/test_vartabs.vim
@@ -1,8 +1,7 @@
" Test for variable tabstops
-if !has("vartabs")
- throw 'Skipped, vartabs feature missing'
-endif
+source check.vim
+CheckFeature vartabs
source view_util.vim