temporary: give more time for mm to catch up

Author: kelvich

contrib/mmts/Makefile

@@ -47,7 +47,7 @@ xcheck:
 	cd tests2 && docker network rm tests2_net || true
 	cd tests2 && docker network rm tests2_net || true
 	cd tests2 && blockade up
-	sleep 15 # wait for mmts init
+	sleep 20 # wait for mmts init
 	cd tests2 && python test_recovery.py || true
 	#cd tests2 && blockade destroy