Index: tests/test_syringe.py
===================================================================
diff -u -r3a70bfb451b74106348c064c34f19934aadd9119 -r30550eb36e6f90739f26b8167118b6b87fc80dc3
--- tests/test_syringe.py	(.../test_syringe.py)	(revision 3a70bfb451b74106348c064c34f19934aadd9119)
+++ tests/test_syringe.py	(.../test_syringe.py)	(revision 30550eb36e6f90739f26b8167118b6b87fc80dc3)
@@ -29,16 +29,19 @@
         exit(1)
     sleep(1)
 
-#    hd.syringe_pump.cmd_syringe_pump_operation(0,0.0,0.0)  # stop
-#    hd.syringe_pump.cmd_syringe_pump_operation(1,0.0,0.0)  # retract
-#    sleep(10)
-#    hd.syringe_pump.cmd_syringe_pump_operation(2,0.0,0.0)  # seek
-#    sleep(5)
-#    hd.syringe_pump.cmd_syringe_pump_operation(3,0.0,0.0)  # prime
-#    sleep(5)
-#    hd.syringe_pump.cmd_syringe_pump_operation(4,0.0,2.0)  # bolus
-#    hd.syringe_pump.cmd_syringe_pump_operation(5,1.0,0.0)  # continuous
+    hd.cmd_hd_set_operation_mode(1)
+    sleep(1)
 
+    hd.syringe_pump.cmd_syringe_pump_operation(0,0.0,0.0)  # stop
+    hd.syringe_pump.cmd_syringe_pump_operation(1,0.0,0.0)  # retract
+    sleep(10)
+    hd.syringe_pump.cmd_syringe_pump_operation(2,0.0,0.0)  # seek
+    sleep(5)
+    hd.syringe_pump.cmd_syringe_pump_operation(3,0.0,0.0)  # prime
+    sleep(5)
+    hd.syringe_pump.cmd_syringe_pump_operation(4,0.0,2.0)  # bolus
+    hd.syringe_pump.cmd_syringe_pump_operation(5,1.0,0.0)  # continuous
+
     # create log file
     with open("syringe_test.log", "w") as f:
         # write column header labels to log file