( ! ) Fatal error: Uncaught Error: Class 'Laravel\Lumen\Testing\TestCase' not found in /var/www/html/invoice/tests/TestCase.php on line 8
( ! ) Error: Class 'Laravel\Lumen\Testing\TestCase' not found in /var/www/html/invoice/tests/TestCase.php on line 8
Call Stack
#	Time	Memory	Function	Location
1	0.0001	396728	{main}( )	.../TestCase.php:0