public function getCommandByIdentifierThrowsExceptionIfMoreThanOneMatchingCommandWasFound()
{
$mockCommand1 = $this->getMockBuilder(Cli\Command::class)->disableOriginalConstructor()->getMock();
$mockCommand1->expects($this->once())->method('getCommandIdentifier')->will($this->returnValue('package.key:controller:command'));
$mockCommand2 = $this->getMockBuilder(Cli\Command::class)->disableOriginalConstructor()->getMock();
$mockCommand2->expects($this->once())->method('getCommandIdentifier')->will($this->returnValue('otherpackage.key:controller:command'));
$mockCommands = [$mockCommand1, $mockCommand2];
$this->commandManager->expects($this->once())->method('getAvailableCommands')->will($this->returnValue($mockCommands));
$this->commandManager->getCommandByIdentifier('controller:command');
}