Break down tests into categories.

Break down tests into categories to improve maintainability and test granularity. This makes it easier to execute unit tests in CI/CD pipelines.

Closes #1054.

test_apps/main/test_common.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <string.h> // For memset
+#include "unity.h"
+#include "relay_chn.h"
+#include "driver/gpio.h"
+#include "esp_log.h"
+#include "sdkconfig.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+
+// Test log tag
+extern const char *TEST_TAG;
+
+// GPIO konfigürasyonları
+extern const gpio_num_t gpio_map[];
+extern const uint8_t gpio_count;
+extern const uint8_t relay_chn_count;
+
+// Config parametreleri
+extern const uint32_t opposite_inertia_ms;
+extern const uint32_t test_delay_margin_ms;
+
+// Init durumu
+extern bool g_is_component_initialized;