testing kbhit

src/input.h

@@ -4,5 +4,6 @@
 
 char getInput();
 char getTInput(char key);
+int kbhit(void);
 
 #endif

test/test_input.c

@@ -72,3 +72,8 @@ void test_testb(void){
   char result = getTInput('b');
   TEST_ASSERT_EQUAL_CHAR('n', result);
 }
+
+void test_testkbhit(void){
+  int result = kbhit();
+  TEST_ASSERT_EQUAL_INT(0, result);
+}