Tests permission requirements on routes.
public function testPermissionAccess() {
$this
->drupalGet('router_test/test7');
$this
->assertResponse(403, "Access denied for a route where we don't have a permission");
$this
->drupalGet('router_test/test8');
$this
->assertResponse(403, 'Access denied by default if no access specified');
$user = $this
->drupalCreateUser(array(
'access test7',
));
$this
->drupalLogin($user);
$this
->drupalGet('router_test/test7');
$this
->assertResponse(200);
$this
->assertNoRaw('Access denied');
$this
->assertRaw('test7text', 'The correct string was returned because the route was successful.');
}