plugin.pro: fix build with custom target suffix

This went unnoticed because of a previously installed libconnman-qt4.

Signed-off-by: Andreas Oberritter <obi@opendreambox.org>
testapplication.pri: fix build with custom target suffix

This went unnoticed because of a previously installed libconnman-qt4.

Signed-off-by: Andreas Oberritter <obi@opendreambox.org>
tests_common.pri: respect custom target suffix

Allows parallel installation with tests enabled.

Signed-off-by: Andreas Oberritter <obi@opendreambox.org>
README.rst: remove 'notest'

The option is actually called 'notests'.

Signed-off-by: Andreas Oberritter <obi@opendreambox.org>