test: Fix some unused identifier warnings

components/esp32/test/test_4mpsram.c

@@ -2,9 +2,11 @@
 #include "unity.h"
 #include "esp_log.h"
 #include "driver/spi_common.h"
+#include "sdkconfig.h"
 
 static const char TAG[] = "test_psram";
 
+#ifdef CONFIG_SPIRAM_SUPPORT
 static void test_psram_content()
 {
     const int test_size = 2048;
@@ -32,6 +34,7 @@ static void test_psram_content()
 
     free(test_area);
 }
+#endif
 
 // NOTE: this unit test rely on the config that PSRAM of 8MB is used only when CONFIG_SPIRAM_BNKSWITCH_ENABLE is set
 TEST_CASE("can use spi when not being used by psram", "[psram_4m]")

components/esp32/test/test_sleep.c

@@ -17,13 +17,14 @@
 #include "rom/rtc.h"
 #include "esp_newlib.h"
 #include "test_utils.h"
+#include "sdkconfig.h"
 
 #define ESP_EXT0_WAKEUP_LEVEL_LOW 0
 #define ESP_EXT0_WAKEUP_LEVEL_HIGH 1
 
 static struct timeval tv_start, tv_stop;
 
-
+#ifndef CONFIG_FREERTOS_UNICORE
 static void deep_sleep_task(void *arg)
 {
     esp_deep_sleep_start();
@@ -40,6 +41,7 @@ static void do_deep_sleep_from_app_cpu()
         ;
     }
 }
+#endif
 
 TEST_CASE("wake up from deep sleep using timer", "[deepsleep][reset=DEEPSLEEP_RESET]")
 {

components/esp32/test/test_wifi_lib_git_commit.c

@@ -5,8 +5,6 @@
 #include "esp_log.h"
 #include "esp_wifi_internal.h"
 
-static const char* TAG = "test_wifi_lib_git_commit_id";
-
 TEST_CASE("wifi lib git commit id","[wifi]")
 {    
     TEST_ESP_OK( esp_wifi_internal_git_commit_id_check() );