Прошло 2 года.

lib/epdiy/examples/test/main/CMakeLists.txt

@@ -0,0 +1,3 @@
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+idf_component_register(SRCS "main.c" INCLUDE_DIRS ".")

lib/epdiy/examples/test/main/main.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <unity.h>
+#include "unity_test_runner.h"
+
+static void print_banner(const char* text) {
+    printf("\n#### %s #####\n\n", text);
+}
+
+void app_main(void) {
+    print_banner("Running all the registered tests");
+    UNITY_BEGIN();
+    // unity_run_tests_by_tag("lut", false);
+    unity_run_all_tests();
+    UNITY_END();
+}