Add wait support for tests

tmk_core/common/test/timer.c

@@ -29,3 +29,7 @@ uint32_t timer_elapsed32(uint32_t last) { return TIMER_DIFF_32(timer_read32(), l
 
 void set_time(uint32_t t) { current_time = t; }
 void advance_time(uint32_t ms) { current_time += ms; }
+
+void wait_ms(uint32_t ms) {
+    advance_time(ms);
+}

tmk_core/common/wait.h

@@ -1,6 +1,8 @@
 #ifndef WAIT_H
 #define WAIT_H
 
+#include <inttypes.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -16,8 +18,8 @@ extern "C" {
 #elif defined(__arm__)
 #   include "wait_api.h"
 #else  // Unit tests
-#define wait_ms(ms)
-#define wait_us(us)
+void wait_ms(uint32_t ms);
+#define wait_us(us) wait_ms(us / 1000)
 #endif
 
 #ifdef __cplusplus