$this->assertSame($expected, $this->entityFieldManager->getFieldStorageDefinitions('test_entity_type'));
$this->entityFieldManager->testClearEntityFieldInfo();
$this->assertSame($expected, $this->entityFieldManager->getFieldStorageDefinitions('test_entity_type'));
$this->assertSame($expected, $this->entityFieldManager->getFieldStorageDefinitions('test_entity_type'));
$this->entityFieldManager->testClearEntityFieldInfo();
$this->assertSame($expected, $this->entityFieldManager->getFieldStorageDefinitions('test_entity_type'));