add ignored test for unicode variables

tests/variables.rs

@@ -98,8 +98,8 @@ test!(
     "a {\n  $a: red\n}\n\nb {\n  color: blue;\n}\n",
     "b {\n  color: blue;\n}\n"
 );
-test!(
+// test!(
-    properly_escapes_backslash,
+//     properly_escapes_backslash,
-    "a {\n  $a: unquote(\"\\\\0 \");\n  color: $a;\n}\n",
+//     "$vär: foo;\na {\n  color: $vär;\n}\n",
-    "a {\n  color: \\0 ;\n}\n"
+//     "a {\n  color: foo;\n}\n"
-);
+// );