title: iOS 9 UITableView cell's text label not the full width of the UITableView
body: <p>Since updating to iOS 9, table view cell's in iPad landscape no longer stretch the full width of the table in my unit tests.</p>
  
  <p>My test is a simple table that takes a snapshot at the end.</p>
  
  <pre><code>- (void)testTableSize{
      UIViewController *viewController = [[UIViewController alloc] init];
      UITableView *tableView = [[UITableView alloc]initWithFrame:CGRectMake(0,0,viewController.view.bounds.size.width, viewController.view.bounds.size.height) style:UITableViewStylePlain];
  
      tableView.dataSource = self;
      tableView.delegate = self;
  
      [tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:@"Cell"];
      [viewController.view addSubview:tableView];
  
      ASCSnapshotVerifyViewiPad([viewController view]);
  }
  </code></pre>
  
  <p>The cells are very simple for this example</p>
  
  <pre><code>static NSString *CellIdentifier = @"Cell";
  UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier forIndexPath:indexPath];
  
  // Configure the cell...
  cell.textLabel.backgroundColor = [UIColor blueColor];   // Demo purpose
  cell.textLabel.backgroundColor = [UIColor yellowColor]; // Demo purpose
  cell.textLabel.text = [NSString stringWithFormat:@"Cell %d", (int)indexPath.row];
  return cell;
  </code></pre>
  
  <p>but my cell is drawn with a big margin on the left and right. Any idea why?</p>
  
  <p><a href="https://i.stack.imgur.com/TKxki.png" rel="noreferrer"><img src="https://i.stack.imgur.com/TKxki.png" alt="enter image description here"></a></p>