refs #6511 this should fix sitesearch reports are not available in scheduled report as there was no siteid set
refs #6511 fix signature of both methods was not the same
refs #6511 fixed some tests which shows it seems to work now. I presume the expected results are correct but I do not know. Also updated another test where someone committed his path from his local server
Merge pull request #6567 from piwik/6511

Fix site search reports are not displayed in scheduled reports