For Akonadi ensure we apply a different QT_MESSAGE_PATTERN to make the log output more usable

CCMAIL: faure@kde.org

helpers/run-tests.py

@@ -101,6 +101,12 @@ buildEnvironment['MESA_DEBUG'] = '1'
 # We also want CMake to be noisy when tests fail
 buildEnvironment['CTEST_OUTPUT_ON_FAILURE'] = '1'
 
+# Akonadi specific
+# Due to Akonadi being heavily multi-process we need to use a different message log format for Qt
+# (Otherwise the log isn't really usable)
+if arguments.project == 'akonadi':
+	buildEnvironment['QT_MESSAGE_PATTERN'] = '%{appname}(%{pid})/%{category} %{function}: %{message}'
+
 # Cleanup the builder if needed
 if sys.platform == 'freebsd12':
 	subprocess.call("killall -9 dbus-daemon kded5 kioslave klauncher kdeinit5 kiod openbox Xvfb", shell=True)