On KDE CI and ubuntu infra autotests

From KDE CI

https://build.kde.org/job/Applications%20baloo-widgets%20stable-kf5-qt5%20SUSEQt5.9/8/testReport/

********* Start testing of ExtractorTest *********
Config: Using QtTest library 5.9.4, Qt 5.9.4 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 7.3.1 20180307 [gcc-7-branch revision 258314])
PASS   : ExtractorTest::initTestCase()
QDEBUG : ExtractorTest::test() "QMap()\n"
FAIL!  : ExtractorTest::test() Compared values are not the same
   Actual   (data.value(QLatin1String("channels")).toInt()): 0
   Expected (2)                                            : 2
   Loc: [/home/jenkins/workspace/Applications baloo-widgets stable-kf5-qt5 SUSEQt5.9/autotests/extractortest.cpp(53)]
PASS   : ExtractorTest::cleanupTestCase()
Totals: 2 passed, 1 failed, 0 skipped, 0 blacklisted, 131ms
********* Finished testing of ExtractorTest *********

********* Start testing of FileMetadataItemCountTest *********
Config: Using QtTest library 5.9.4, Qt 5.9.4 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 7.3.1 20180307 [gcc-7-branch revision 258314])
PASS   : FileMetadataItemCountTest::initTestCase()
QWARN  : FileMetadataItemCountTest::testItemCount() Failed enumerating UDisks2 objects: "org.freedesktop.DBus.Error.Disconnected" 
 "Not connected to D-Bus server"
QWARN  : FileMetadataItemCountTest::testItemCount() Failed enumerating UDisks2 objects: "org.freedesktop.DBus.Error.Disconnected" 
 "Not connected to D-Bus server"
FAIL!  : FileMetadataItemCountTest::testItemCount() Compared values are not the same
   Actual   (items.count())                 : 36
   Expected (expectedItems * widgetsPerItem): 38
   Loc: [/home/jenkins/workspace/Applications baloo-widgets stable-kf5-qt5 SUSEQt5.9/autotests/filemetadataitemcounttest.cpp(86)]
PASS   : FileMetadataItemCountTest::cleanupTestCase()
Totals: 2 passed, 1 failed, 0 skipped, 0 blacklisted, 146ms
********* Finished testing of FileMetadataItemCountTest *********