Trim the inner text used to assert url value (#602)

Author: toddjordan

tests/acceptance/anchors-test.js

@@ -8,5 +8,5 @@ test('Can create a link from the "Properties" tab', async function(assert) {
   await visit('/ember/1.0/classes/Container/properties');
   let [ element ] = findAll('.class-field-description--link');
   await click(element);
-  assert.equal(currentURL(), `/ember/1.0/classes/Container/properties?anchor=${element.innerText}`);
+  assert.equal(currentURL(), `/ember/1.0/classes/Container/properties?anchor=${element.innerText.trim()}`);
 });