setPty example

$process = $this->getProcess('');
        $this->assertNull($process->getExitCodeText());
    }

    public function testPTYCommand()
    {
        if (!Process::isPtySupported()) {
            $this->markTestSkipped('PTY is not supported on this operating system.');
        }

        $process = $this->getProcess('echo "foo"');
        $process->setPty(true);
        $process->run();

        $this->assertSame(Process::STATUS_TERMINATED, $process->getStatus());
        $this->assertEquals("foo\r\n", $process->getOutput());
    }

    public function testMustRun()
    {
        $process = $this->getProcess('echo foo');

        $this->assertSame($process, $process->mustRun());