( ! ) Warning: Unsupported declare 'strict_types' in C:\wamp64\www\car\vendor\sebastian\diff\tests\LineTest.php on line 1

( ! ) Fatal error: Class 'PHPUnit\Framework\TestCase' not found in C:\wamp64\www\car\vendor\sebastian\diff\tests\LineTest.php on line 19
Call Stack
#	Time	Memory	Function	Location
1	0.0289	243816	{main}( )	...\LineTest.php:0