Rename testing macros

src/tester/tester.c

@@ -21,7 +21,7 @@ void run_tests(TestFunc *func1, ...) {
     TestFuncResult result = func();
     print_test_result(result);
 
-    if (!result.success) {
+    if (!result.passed) {
       exit(EXIT_FAILURE);
     }
   }
@@ -35,7 +35,7 @@ internal void print_test_result(TestFuncResult result) {
   const char *colour;
   const char *result_text;
 
-  if (result.success) {
+  if (result.passed) {
     colour = TERM_COLOUR_FG_BR_GREEN;
     result_text = "PASSED";
   } else {