Index: tests/test_ro.py
===================================================================
diff -u -ra63c176261cc89df93f795fa542032c09b08e316 -r36304223d29e68ad9b8e5942543a38765a62e7ff
--- tests/test_ro.py	(.../test_ro.py)	(revision a63c176261cc89df93f795fa542032c09b08e316)
+++ tests/test_ro.py	(.../test_ro.py)	(revision 36304223d29e68ad9b8e5942543a38765a62e7ff)
@@ -44,12 +44,12 @@
 #        exit(1)
 #    sleep(1)
 
-    # send command to show round-trip communication w/ firmware is working
-    # td.blood_flow.cmd_blood_flow_set_speed_rate_request(1000)
-    ro.valves.cmd_valve_override(0,True,NO_RESET)
-    sleep(5)
+    # ro.valves.cmd_valve_override(0,True,NO_RESET)
+    # sleep(5)
     # ro.valves.cmd_valve_override(0,False,NO_RESET)
 
+    ro.pumps.cmd_boost_pump_set_pwm_request(0,50)
+
     # create log file
     with open("RO_test.log", "w") as f: