Fatal error: Uncaught Error: Class "Hamcrest\AbstractMatcherTest" not found in C:\mywamp\sites\allsite\calcomposer\vendor\hamcrest\hamcrest-php\tests\Hamcrest\Collection\IsEmptyTraversableTest.php:6 Stack trace: #0 {main} thrown in C:\mywamp\sites\allsite\calcomposer\vendor\hamcrest\hamcrest-php\tests\Hamcrest\Collection\IsEmptyTraversableTest.php on line 6