patch 8.1.0206: duplicate test function name
Problem: Duplicate test function name.
Solution: Rename both functions.
diff --git a/src/testdir/test_modeline.vim b/src/testdir/test_modeline.vim
index 6e49577..e278c16 100644
--- a/src/testdir/test_modeline.vim
+++ b/src/testdir/test_modeline.vim
@@ -1,6 +1,6 @@
" Tests for parsing the modeline.
-func Test_invalid()
+func Test_modeline_invalid()
" This was reading before allocated memory.
call writefile(['vi:0', 'nothing'], 'Xmodeline')
call assert_fails('split Xmodeline', 'E518:')