uic: zpc: UIC-3570: Fix test compilation errors in Release mode

Initialize value to avoid warning in tests in ZPC

(cherry picked from commit 426be59937680cac7de483d08ea012609cc4d686)
Forwarded: #11
Signed-off-by: Philippe Coval <philippe.coval@silabs.com>

Author: silabs-borisl

applications/zpc/components/zwave_command_classes/test/zwave_command_class_humidity_control_setpoint_test.cpp

@@ -308,11 +308,11 @@ void helper_report_setpoint(enum set_bytes bytes_count, bool happy_case)
   info.remote.endpoint_id                 = endpoint_id;
   info.local.is_multicast                 = false;
 
-  attribute_store_node_t value_node;
+  attribute_store_node_t value_node = 0;
 
-  humidity_control_setpoint_precision_t precision;
-  humidity_control_setpoint_scale_t scale;
-  humidity_control_setpoint_value_t value;
+  humidity_control_setpoint_precision_t precision = 0;
+  humidity_control_setpoint_scale_t scale = 0;
+  humidity_control_setpoint_value_t value = 0;
 
   humidity_control_setpoint_size_t size = bytes_count;
 

applications/zpc/components/zwave_command_classes/test/zwave_command_class_thermostat_fan_mode_test.c

@@ -363,9 +363,9 @@ void helper_fan_mode_report(zwave_cc_version_t version,
   TEST_ASSERT_EQUAL(SL_STATUS_NOT_SUPPORTED,
                     handler.control_handler(&info, NULL, 0));
 
-  thermostat_fan_mode_t fan_mode;
-  thermostat_fan_mode_off_flag_t off_flag;
-  thermostat_fan_supported_modes_t current_supported_bitmask;
+  thermostat_fan_mode_t fan_mode = 0;
+  thermostat_fan_mode_off_flag_t off_flag = 0;
+  thermostat_fan_supported_modes_t current_supported_bitmask = 0;
 
   switch (version) {
     case 1:

applications/zpc/components/zwave_command_classes/test/zwave_command_class_thermostat_setpoint_test.c

@@ -668,7 +668,7 @@ attribute_store_node_t set_default_capabilities(thermostat_setpoint_type_t type)
 
 attribute_store_type_t get_ucl_type(thermostat_setpoint_type_t setpoint_type)
 {
-  attribute_store_type_t ucl_type;
+  attribute_store_type_t ucl_type = 0;
   switch (setpoint_type) {
     case SETPOINT_TYPE_HEATING:
       ucl_type = DOTDOT_ATTRIBUTE_ID_THERMOSTAT_OCCUPIED_HEATING_SETPOINT;