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_gui.vim b/src/testdir/test_gui.vim
index d030a6a..7f94e6a 100644
--- a/src/testdir/test_gui.vim
+++ b/src/testdir/test_gui.vim
@@ -2,7 +2,7 @@
source shared.vim
if !CanRunGui()
- throw 'Skipped, cannot run GUI'
+ throw 'Skipped: cannot run GUI'
endif
source setup_gui.vim