Simplify PostCSS integration test

Author: philipp-spiess

integrations/postcss/url-rewriting.test.ts

@@ -1,6 +1,4 @@
-import { binary, css, js, json, svg, test } from '../utils'
-
-const SIMPLE_IMAGE = `iVBORw0KGgoAAAANSUhEUgAAADAAAAAlAQAAAAAsYlcCAAAACklEQVR4AWMYBQABAwABRUEDtQAAAABJRU5ErkJggg==`
+import { css, js, json, test } from '../utils'
 
 test.debug(
   'can rewrite urls in production builds',
@@ -50,23 +48,6 @@ test.debug(
           background-image: url('./vector-2.svg');
         }
       `,
-      'resources/image.png': binary(SIMPLE_IMAGE),
-      'resources/vector.svg': svg`
-        <svg width="400" height="400" xmlns="http://www.w3.org/2000/svg">
-          <rect width="100%" height="100%" fill="red" />
-          <circle cx="200" cy="100" r="80" fill="green" />
-          <rect width="100%" height="100%" fill="red" />
-          <circle cx="200" cy="100" r="80" fill="green" />
-        </svg>
-      `,
-      'src/dir-1/dir-2/dir-3/vector-2.svg': svg`
-        <svg width="400" height="400" xmlns="http://www.w3.org/2000/svg">
-          <rect width="100%" height="100%" fill="blue" />
-          <circle cx="200" cy="100" r="80" fill="green" />
-          <rect width="100%" height="100%" fill="red" />
-          <circle cx="200" cy="100" r="80" fill="pink" />
-        </svg>
-      `,
     },
   },
   async ({ fs, exec, expect }) => {