expose the problem

firmware/controllers/system/timer/event_queue.cpp

@@ -209,5 +209,18 @@ scheduling_s *EventQueue::getElementAtIndexForUnitText(int index) {
 }
 
 void EventQueue::clear(void) {
+	// Flush the queue, resetting all scheduling_s as though we'd executed them
+	while(head) {
+		auto x = head;
+		// link next element to head
+		head = x->nextScheduling_s;
+
+		// Reset this element
+		x->momentX = 0;
+		x->isScheduled = false;
+		x->nextScheduling_s = nullptr;
+		x->action = {};
+	}
+
 	head = nullptr;
 }

unit_tests/global_execution_queue.cpp

@@ -10,6 +10,11 @@
 bool_t debugSignalExecutor = false;
 extern bool verboseMode;
 
+TestExecutor::~TestExecutor() {
+	// Flush the queue and reset all scheduling_s at the end of a test's execution
+	clear();
+}
+
 void TestExecutor::scheduleForLater(scheduling_s *scheduling, int delayUs, action_s action) {
 	if (debugSignalExecutor) {
 		printf("scheduleTask %d\r\n", delayUs);

unit_tests/global_execution_queue.h

@@ -12,6 +12,8 @@
 
 class TestExecutor : public ExecutorInterface {
 public:
+	~TestExecutor();
+
 	void scheduleByTimestamp(scheduling_s *scheduling, efitimeus_t timeUs, action_s action) override;
 	void scheduleByTimestampNt(scheduling_s *scheduling, efitick_t timeNt, action_s action) override;
 	void scheduleForLater(scheduling_s *scheduling, int delayUs, action_s action) override;