public function convertFromUsesDefaultDateFormatIfItIsNotConfigured()
{
$expectedResult = '1980-12-13T20:15:07+01:23';
$mockMappingConfiguration = $this->createMock(PropertyMappingConfigurationInterface::class);
$mockMappingConfiguration->expects($this->atLeastOnce())->method('getConfigurationValue')->with(DateTimeConverter::class, DateTimeConverter::CONFIGURATION_DATE_FORMAT)->will($this->returnValue(null));
$date = $this->converter->convertFrom($expectedResult, 'DateTime', [], $mockMappingConfiguration);
$actualResult = $date->format(DateTimeConverter::DEFAULT_DATE_FORMAT);
$this->assertSame($expectedResult, $actualResult);
}