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_pyx3.vim b/src/testdir/test_pyx3.vim
index 1b7bdae..5dfa6cd 100644
--- a/src/testdir/test_pyx3.vim
+++ b/src/testdir/test_pyx3.vim
@@ -1,9 +1,8 @@
" Test for pyx* commands and functions with Python 3.
set pyx=3
-if !has('python3')
- throw 'Skipped, python3 feature missing'
-endif
+source check.vim
+CheckFeature python3
let s:py2pattern = '^2\.[0-7]\.\d\+'
let s:py3pattern = '^3\.\d\+\.\d\+'