test: removed useless FAIL()

test/lib/dispatcher/main.cpp

@@ -9,7 +9,7 @@
 ENTT_API void trigger(int, entt::dispatcher &);
 
 struct listener {
-    void on(event) { FAIL(); }
+    void on(event) {}
     void on(message msg) { value = msg.payload; }
     int value{};
 };

test/lib/emitter/main.cpp

@@ -11,7 +11,7 @@ TEST(Lib, Emitter) {
     test_emitter emitter;
     int value{};
 
-    emitter.once<event>([](event, test_emitter &) { FAIL(); });
+    emitter.once<event>([](event, test_emitter &) {});
     emitter.once<message>([&](message msg, test_emitter &) {
         ASSERT_EQ(msg.payload, 42);
         value = msg.payload;