[VOL-2960] Set correct default power level mode for GPON ONUs

- Power Level Mode for ITU GPON interface is set to its default value (i.e. 0)
  since it is set to 2 by default.

Change-Id: Ib3c2b26536b5153b0dda15984077a75bce060213
diff --git a/agent/test/inc/bcmos_common_test.h b/agent/test/inc/bcmos_common_test.h
index 391b444..cef45c5 100644
--- a/agent/test/inc/bcmos_common_test.h
+++ b/agent/test/inc/bcmos_common_test.h
@@ -25,5 +25,7 @@
 extern void* bcmos_calloc(uint32_t size);
 #define BCMOLT_INTERFACE_TYPE_EPON_1_G 3
 #define BCMOLT_INTERFACE_TYPE_EPON_10_G 4
+#define BCMOLT_PON_POWER_LEVEL_PLS_MAXIMUM_ALLOCATION_SIZE_DEFAULT 10
+#define BCMOLT_PON_POWER_LEVEL_MODE_DEFAULT 0
 
 #endif // BCMOS_COMMON_TEST_H_