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_terminal_fail.vim b/src/testdir/test_terminal_fail.vim
index d010c3b..f33ade6 100644
--- a/src/testdir/test_terminal_fail.vim
+++ b/src/testdir/test_terminal_fail.vim
@@ -2,9 +2,8 @@
" leaks under valgrind. That is because when fork/exec fails memory is not
" freed. Since the process exists right away it's not a real leak.
-if !has('terminal')
- throw 'Skipped, terminal feature missing'
-endif
+source check.vim
+CheckFeature terminal
source shared.vim