updated for version 7.4.231
Problem:    An error in ":options" is not caught by the tests.
Solution:   Add a test for ":options".  Set $VIMRUNTIME for the tests so that
            it uses the current runtime files instead of the installed ones.
diff --git a/src/testdir/test_options.ok b/src/testdir/test_options.ok
new file mode 100644
index 0000000..a2e1494
--- /dev/null
+++ b/src/testdir/test_options.ok
@@ -0,0 +1,2 @@
+result
+ok