test: inline SVG with comment (#217)

Author: evilebottnawi

test/fixUrlsTest.js

@@ -191,6 +191,13 @@ describe("fix urls tests", function() {
     it("Doesn't break inline SVG", function() {
         const svg = "url('data:image/svg+xml;charset=utf-8,<svg><feFlood flood-color=\"rgba(0,0,0,0.5)\" /></svg>')";
 
+        assertUrl(
+            "body: {  background: " + svg + " }"
+        );
+    });
+    it("Doesn't break inline SVG with HTML comment", function() {
+        const svg = "url('data:image/svg+xml,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22utf-8%22%3F%3E%0A%3C!--%20Comment%20--%3E%0A%3Csvg%3E%3C%2Fsvg%3E%0A')";
+
         assertUrl(
             "body: {  background: " + svg + " }"
         );