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>

scripts/mtest2make.py

@@ -21,7 +21,7 @@ def __init__(self):
 SPEED = quick
 
 # $1 = environment, $2 = test command, $3 = test name, $4 = dir
-.test-human-tap = $1 $(if $4,(cd $4 && $2),$2) < /dev/null | ./scripts/tap-driver.pl --test-name="$3" $(if $(V),,--show-failures-only)
+.test-human-tap = $1 $(if $4,(cd $4 && $2),$2) -m $(SPEED) < /dev/null | ./scripts/tap-driver.pl --test-name="$3" $(if $(V),,--show-failures-only)
 .test-human-exitcode = $1 $(PYTHON) scripts/test-driver.py $(if $4,-C$4) $(if $(V),--verbose) -- $2 < /dev/null
 .test-tap-tap = $1 $(if $4,(cd $4 && $2),$2) < /dev/null | sed "s/^[a-z][a-z]* [0-9]*/& $3/" || true
 .test-tap-exitcode = printf "%s\\n" 1..1 "`$1 $(if $4,(cd $4 && $2),$2) < /dev/null > /dev/null || echo "not "`ok 1 $3"