The first one worked, when i returned $this->userLogLines; and thanks for that!
Still need help, i need to make a comparison in that function that lines haven't multiplied.
function testGetUserLogLines_SameLogLinesAreNotMultiplied() {
$loglines = "3294051,Sun Jun 10 17:59:59 2012,NFO,HB,10.111.221.30,RealGoldRush2,h-1-JG26D2S-s0\n";
$loglines .= "3294052,asdö aölköaslklk,RealGoldRush2,h-1-JG26D2S-s0\n";
$loglines .= "3294053,Sun Jun 10 17:59:59 2012,NFO,qwpjqwrepoqwe poqiwepoiqwe\n";
$expectedLoglines = "3294051,Sun Jun 10 17:59:59 2012,NFO,HB,10.111.221.30,RealGoldRush2,h-1-JG26D2S-s0\n";
$expectedLoglines .= "3294052,asdö aölköaslklk,RealGoldRush2,h-1-JG26D2S-s0";
$this->assertEquals($expectedLoglines, $this->schedulerLogLiveView->getUserLogLines($loglines, "1-JG26D2S"));
$this->assertEquals($expectedLoglines, $this->schedulerLogLiveView->getUserLogLines($loglines, "1-JG26D2S"));
}