Add test for parsing css vars #537

Author: sameoldmadness

test/core/css/test.js

@@ -0,0 +1,11 @@
+const Test = require('../core_test');
+
+describe('css', function() {
+  it('Should parse variables', function() {
+    const test = new Test(this);
+
+    test.comb.configure({});
+
+    return test.shouldBeEqual('variable.css');
+  });
+});

test/core/css/variable.css

@@ -0,0 +1,3 @@
+div {
+  --color: red;
+}