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_tcl.vim b/src/testdir/test_tcl.vim
index 8ccd34c..9923a2e 100644
--- a/src/testdir/test_tcl.vim
+++ b/src/testdir/test_tcl.vim
@@ -1,8 +1,7 @@
" Tests for the Tcl interface.
-if !has('tcl')
- throw 'Skipped, tcl feature missing'
-end
+source check.vim
+CheckFeature tcl
" Helper function as there is no builtin tcleval() function similar
" to perleval, luaevel(), pyeval(), etc.