/**
  * @test
  */
 function entryを更新する()
 {
     $emapper = new EntryMapper(self::$pdo);
     $entry = new Entry();
     $entry->author = 'Mr. Dummy';
     $entry->title = 'Hello';
     $entry->content = 'Hello, World!';
     $entry->published = new DateTime();
     $emapper->insert($entry);
     $this->assertArrayHasKey('entryId', $entry->toArray());
     $entry->title = 'HelloUpdated';
     $emapper->update($entry);
     //DBに保存されたか確かめるため、fetchしなおす
     $entry = $emapper->find($entry->entryId);
     $this->assertSame('HelloUpdated', $entry->title);
 }