save() public method

public save ( $data )
 /**
  * @test
  */
 public function loadAllReturnsOnlyOriginalEntities()
 {
     $this->parentStorage->save($this->testingParentEntity);
     $this->storage->save($this->testingMetaEntity);
     $loadedPostMeta = $this->storage->loadAll();
     $this->assertTrue(count($loadedPostMeta) === 1);
     $this->assertEquals($this->testingMetaEntity, reset($loadedPostMeta));
 }
 private function editPostMeta($key, $value)
 {
     $this->storage->save(EntityUtils::preparePostMeta(self::$vpId, self::$postVpId, $key, $value));
     return [['vp_id' => self::$vpId, 'parent' => self::$postVpId]];
 }
 private function editTermMeta($key = 'some-meta', $value = 'another value')
 {
     $this->storage->save(EntityUtils::prepareTermMeta(self::$vpId, self::$termVpId, $key, $value));
     return [['vp_id' => self::$vpId, 'parent' => self::$termVpId]];
 }