test: add test_mod_dep build targets and update test_mod with metadata

test/test_mod.c

@@ -2,8 +2,11 @@
 
 int stk_mod_init(void)
 {
-	printf("test mod initialized!\n");
+	printf("test_mod initialized!\n");
 	return 0;
 }
 
-void stk_mod_shutdown(void) { printf("test mod shut down.\n"); }
+void stk_mod_shutdown(void) { printf("test_mod shut down.\n"); }
+
+const char *stk_mod_name(void) { return "Test Module"; }
+const char *stk_mod_version(void) { return "1.0.0"; }