Add test_mint_health: 14 host unit tests for mint health module

Tests: init, get_all, initial state, is_reachable, mark_unreachable,
overflow handling, empty init, callback registration, reinit, start/stop.
Adds freertos/semphr.h stub and pdTRUE to FreeRTOS.h stub.

2 files changed, 8 insertions, 0 deletions

diff --git a/tests/unit/stubs/freertos/FreeRTOS.h b/tests/unit/stubs/freertos/FreeRTOS.h
index 696da87..2d2b967 100644
--- a/tests/unit/stubs/freertos/FreeRTOS.h
+++ b/tests/unit/stubs/freertos/FreeRTOS.h
@@ -8,5 +8,6 @@ static inline void vTaskDelay(uint32_t ticks) { (void)ticks; }
 #define pdMS_TO_TICKS(ms) ((ms) / 10)
 #define portTICK_PERIOD_MS 10
 #define portMAX_DELAY 0xFFFFFFFF
+#define pdTRUE 1
 
 #endif
diff --git a/tests/unit/stubs/freertos/semphr.h b/tests/unit/stubs/freertos/semphr.h
new file mode 100644
index 0000000..0389b11
--- /dev/null
+++ b/tests/unit/stubs/freertos/semphr.h
@@ -0,0 +1,7 @@
+#ifndef STUBS_FREERTOS_SEMPHR_H
+#define STUBS_FREERTOS_SEMPHR_H
+
+#include "FreeRTOS.h"
+#include "task.h"
+
+#endif