In order to address difficulties with pull request #64, this fix mocks out UnitOfMeasureInterface::isAliasOf() for the AbstractPhysicalQuantityTest unit test mock.
In order to address difficulties with pull request #64, this fix mocks out UnitOfMeasureInterface::isAliasOf() for the AbstractPhysicalQuantityTest unit test mock.

PhpUnitsOfMeasure/php-units-of-measure,triplepoint/php-units-of-measure