update mixins test

css.js

@@ -113,7 +113,7 @@ class CSSTask extends TaskKitTask {
     }
 
     // load mixins:
-    let globalMixins;
+    let globalMixins = {};
     if (config.globalMixins) {
       try {
         globalMixins = require('require-all')({

test/fixtures/mixins.css

@@ -1,5 +1,7 @@
 .link {
-  @mixin test red, white;
-  background: black;
-  @mixin test-mixin red;
-}
+  @mixin link-color red, blue;
+}
+
+.bg {
+  @mixin bg-color red;
+}

test/fixtures/mixins/test-mixin.css → test/fixtures/mixins/link-color.css

@@ -1,8 +1,8 @@
-@define-mixin test $color, $hoverColor {
+@define-mixin link-color $color, $hoverColor {
   color: $color;
   @mixin-content;
 
   &:hover {
     color: $hoverColor;
   }
-}
+}

test/local-mixins.test.js

@@ -4,7 +4,8 @@ const utils = require('./utils');
 
 tap.test('generates local mixins', (t) => {
   const css = new ClientKitCss('local mixins', {
-    mixinPath: 'test/fixtures/mixins/*',
+    assetPath: `${__dirname}/fixtures`,
+    mixinPath: 'test/fixtures/mixins/*.css',
     files: {
       'test/out/mixins.css': 'test/fixtures/mixins.css'
     }