Remove regression test for #340

This test tested that certain updates to internal state didn't trigger re-render assertions.
However, firing tasks inside a getter is a side-effect not really
allowed under the autotrack system, and should not be supported.

Author: maxfierke

tests/integration/no-render-breaking-test.js

@@ -44,32 +44,5 @@ module('Integration | no render breaking', function(hooks) {
       `);
       assert.ok(true, "Renders");
     });
-
-    test('Issue #340 | internal task state updates in cancellation do not trigger re-render assertions w/ auto-tracking', async function(assert) {
-      assert.expect(1);
-
-      this.owner.register(
-        'component:e-c-test',
-        Component.extend({
-          layout: hbs`<div>{{this.value}}</div>`,
-
-          get value() {
-            this._super(...arguments);
-
-            this.exampleTask.perform();
-            this.exampleTask.perform();
-
-            return "value";
-          },
-
-          exampleTask: task(function*() {
-            yield timeout(100);
-          }).restartable()
-        })
-      );
-
-      await render(hbs`<ECTest />`);
-      assert.ok(true, "Renders");
-    });
   }
 });