[test] Remove test unrelated with SUS
[test] Remove test unrelated with SUS

This test method asserts trait customer constructor which is totally unrelated with the purpose of the whole test case

localheinz/zend-diactoros,mtymek/zend-diactoros,jguittard/zend-diactoros,mnapoli/zend-diactoros,deepfreeze/zend-diactoros