mixer: update to List<> container

src/systemcmds/tests/test_List.cpp

@@ -88,12 +88,12 @@ bool ListTest::test_add()
 	// verify full size (100)
 	ut_assert_true(list1.size() == 100);
 
-	int i = 99;
+	int i = 0;
 
 	for (auto t : list1) {
 		// verify all elements were inserted in order
 		ut_compare("stored i", i, t->i);
-		i--;
+		i++;
 	}
 
 	// delete all elements
@@ -182,27 +182,27 @@ bool ListTest::test_range_based_for()
 		ut_assert_true(!list1.empty());
 	}
 
-	// first element should be 0
-	ut_compare("first 0", list1.getHead()->i, 0);
+	// first element should be 99 (first added)
+	ut_compare("first 0", list1.getHead()->i, 99);
 
 	// verify all elements were inserted in order
-	int i = 0;
+	int i = 99;
 	auto t1 = list1.getHead();
 
 	while (t1 != nullptr) {
 		ut_compare("check count", i, t1->i);
 		t1 = t1->getSibling();
-		i++;
+		i--;
 	}
 
 	// verify full size (100)
 	ut_compare("size check", list1.size(), 100);
 
-	i = 0;
+	i = 99;
 
 	for (auto t2 : list1) {
 		ut_compare("range based for i", i, t2->i);
-		i++;
+		i--;
 	}
 
 	// verify full size (100)

src/systemcmds/tests/test_mixer.cpp

@@ -383,10 +383,10 @@ bool MixerTest::mixerTest()
 	output_limit_calc(should_arm, should_prearm, mixed, reverse_pwm_mask, r_page_servo_disarmed, r_page_servo_control_min,
 			  r_page_servo_control_max, outputs, r_page_servos, &output_limit);
 
-	//warnx("mixed %d outputs (max %d), values:", mixed, output_max);
-	for (unsigned i = 0; i < mixed; i++) {
+	//PX4_INFO("mixed %d outputs (max %d), values:", mixed, output_max);
 
-		//fprintf(stderr, "pre-arm:\t %d: out: %8.4f, servo: %d \n", i, (double)outputs[i], (int)r_page_servos[i]);
+	for (unsigned i = 0; i < mixed; i++) {
+		//PX4_ERR("pre-arm:\t %d: out: %8.4f, servo: %d", i, (double)outputs[i], (int)r_page_servos[i]);
 
 		if (i != actuator_controls_s::INDEX_THROTTLE) {
 			if (r_page_servos[i] < r_page_servo_control_min[i]) {