Warning: Class 'PHPUnit\Framework\TestCase' not found in C:\WebServer\Apache24\htdocs\AdaMrBigSit\application\tests\_ci_phpunit_test\CIPHPUnitTestCase.php on line 16

Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in C:\WebServer\Apache24\htdocs\AdaMrBigSit\application\tests\_ci_phpunit_test\CIPHPUnitTestCase.php:24 Stack trace: #0 C:\WebServer\Apache24\htdocs\AdaMrBigSit\application\tests\_ci_phpunit_test\CIPHPUnitTestAutoloader.php(136): require() #1 C:\WebServer\Apache24\htdocs\AdaMrBigSit\application\tests\_ci_phpunit_test\CIPHPUnitTestAutoloader.php(88): CIPHPUnitTestAutoloader->loadClassFile('C:\\WebServer\\Ap...', 'CIPHPUnitTestCa...') #2 C:\WebServer\Apache24\htdocs\AdaMrBigSit\application\tests\_ci_phpunit_test\CIPHPUnitTestAutoloader.php(65): CIPHPUnitTestAutoloader->loadCIPHPUnitTestClass('CIPHPUnitTestCa...') #3 [internal function]: CIPHPUnitTestAutoloader->load('CIPHPUnitTestCa...') #4 C:\WebServer\Apache24\htdocs\AdaMrBigSit\application\tests\TestCase.php(3): spl_autoload_call('CIPHPUnitTestCa...') #5 C:\WebServer\Apache24\htdocs\AdaMrBigSit\application\tests\_ci_phpunit_test\CIPHPUnitTest.php(134): require('C:\\WebServer\\Ap...') #6 C:\WebServe in C:\WebServer\Apache24\htdocs\AdaMrBigSit\application\tests\_ci_phpunit_test\CIPHPUnitTestCase.php on line 24