Replaced with strict assertions

Structural/Composite/Tests/CompositeTest.php

@@ -20,7 +20,7 @@ class CompositeTest extends TestCase
         // This is just an example, in a real world scenario it is important to remember that web browsers do not
         // currently support nested forms
 
-        $this->assertEquals(
+        $this->assertSame(
             '<form>Email:<input type="text" /><form>Password:<input type="text" /></form></form>',
             $form->render()
         );