meson: Re-enable the possibility to run "make check SPEED=slow"

"make check SPEED=slow" got lost in the conversion of the build
system to meson - the tests were always running in "quick" mode.
Fix it by passing the "-m" parameter to the test harness at the
right spot in scripts/mtest2make.py.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210218172313.2217440-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
1 file changed