FIX: Encode percent character in search terms.

test/javascripts/adapaters/topic-list-test.js.es6

@@ -0,0 +1,13 @@
+module("adapter:topic-list");
+
+import { finderFor } from 'discourse/adapters/topic-list';
+
+test("finderFor", function() {
+  // Mocking instead of using a pretender which decodes the path and thus does
+  // not reflect the behavior of an actual web server.
+  var mock = sandbox.mock(Discourse);
+  mock.expects("ajax").withArgs("/search.json?q=test%25%25");
+  var finderForFunction = finderFor('search', { q: "test%%" });
+  finderForFunction();
+  mock.verify();
+});