patch 8.1.1546: in some tests 'tags' is set but not restored
Problem: In some tests 'tags' is set but not restored. (Daniel Hahler)
Solution: Restore 'tags'. (closes #4535)
diff --git a/src/testdir/test_options.vim b/src/testdir/test_options.vim
index 9d3065d..e8eaef0 100644
--- a/src/testdir/test_options.vim
+++ b/src/testdir/test_options.vim
@@ -237,6 +237,7 @@
call feedkeys(":set tags=./\\\\ dif\<C-A>\<C-B>\"\<CR>", 'tx')
call assert_equal('"set tags=./\\ diff diffexpr diffopt', @:)
+ set tags&
endfunc
func Test_set_errors()