[SOLVED]How to solve Fatal error: Uncaught Error: Call to undefined method PHPUnit_Util_Configuration::getTestdoxGroupConfiguration()?

When I run phpunit on the command promp, there exist error like this :

Fatal error: Uncaught Error: Call to undefined method PHPUnit_Util_Configuration::getTestdoxGroupConfiguration() in C:\xampp\htdocs\myshop\vendor\phpunit\phpunit\src\TextUI\TestRunner.php:1076
Stack trace:
#0 C:\xampp\htdocs\myshop\vendor\phpunit\phpunit\src\TextUI\TestRunner.php(167): PHPUnit_TextUI_TestRunner->handleConfiguration(Array)
#1 C:\xampp\php\pear\PHPUnit\TextUI\Command.php(176): PHPUnit_TextUI_TestRunner->doRun(Object(PHPUnit_Framework_TestSuite), Array)
#2 C:\xampp\php\pear\PHPUnit\TextUI\Command.php(129): PHPUnit_TextUI_Command->run(Array, true)
#3 C:\xampp\php\phpunit(46): PHPUnit_TextUI_Command::main()
#4 {main}
  thrown in C:\xampp\htdocs\myshop\vendor\phpunit\phpunit\src\TextUI\TestRunner.php on line 1076
PHP Fatal error:  Uncaught Error: Call to undefined method PHPUnit_Util_Configuration::getTestdoxGroupConfiguration() in C:\xampp\htdocs\myshop\vendor\phpunit\phpunit\src\TextUI\TestRunner.php:1076
Stack trace:
#0 C:\xampp\htdocs\myshop\vendor\phpunit\phpunit\src\TextUI\TestRunner.php(167): PHPUnit_TextUI_TestRunner->handleConfiguration(Array)
#1 C:\xampp\php\pear\PHPUnit\TextUI\Command.php(176): PHPUnit_TextUI_TestRunner->doRun(Object(PHPUnit_Framework_TestSuite), Array)
#2 C:\xampp\php\pear\PHPUnit\TextUI\Command.php(129): PHPUnit_TextUI_Command->run(Array, true)
#3 C:\xampp\php\phpunit(46): PHPUnit_TextUI_Command::main()
#4 {main}
  thrown in C:\xampp\htdocs\myshop\vendor\phpunit\phpunit\src\TextUI\TestRunner.php on line 1076

I want to test event to send email is working or not
How can I solve it?



via samuel toh