Index: leahi_dialin/common/test_config_defs.py
===================================================================
diff -u -r6c59fa564eab4aabe858bec884b597cc3fbe179b -r0658d8fa5a398b18c98bf78c5f8ee821da634d8f
--- leahi_dialin/common/test_config_defs.py	(.../test_config_defs.py)	(revision 6c59fa564eab4aabe858bec884b597cc3fbe179b)
+++ leahi_dialin/common/test_config_defs.py	(.../test_config_defs.py)	(revision 0658d8fa5a398b18c98bf78c5f8ee821da634d8f)
@@ -26,8 +26,8 @@
     TEST_CONFIG_DD_ENABLE_4WIRE_RINSE_PUMP = 3                  # (DD) Test configuration enabling 4 wire rinse pump
     TEST_CONFIG_FP_SKIP_PRE_GEN_FLUSH = 4                       # (FP) Test configuration to skip pre-gen flush
     TEST_CONFIG_DD_ENABLE_DIENER_1000_PUMP = 5                  # (DD) Test configuration to use Diener 1000 pump for D48
-    TEST_CONFIG_DD_ENABLE_D79_ON_OFF_USAGE = 6                  # (DD) Test configuration to switch to on/off usage for D79 instead of PWM control
-    TEST_CONFIG_DD_DISABLE_CHAMBER_H_FILL = 7                   # (DD) Test configuration to disable Chamber H Fill
+    TEST_CONFIG_DD_ENABLE_D79_PWM_CONTROL = 6                   # (DD) Test configuration to switch to PWM control for D79
+    TEST_CONFIG_DD_ENABLE_SPENT_CHAMBER_H_FILL = 7              # (DD) Test configuration to enable Chamber H Fill
     TEST_CONFIG_DD_ENABLE_LIQUID_BICARB = 8                     # (DD) Test configuration to switch to using liquid bicarb instead of dry bicarb
     TEST_CONFIG_DD_ENABLE_OPEN_LOOP_CONTROL = 9                 # (DD) Test configuration to switch to open loop control for concentrate dosing
     TEST_CONFIG_DD_DISABLE_UF_TEMP_COMP = 10                    # (DD) Test configuration to disable Ultrafiltration Temperature Comparison