Moved the clock check outside of the event loop

It caused the game to update only if events were received (Mouse movement, button press, etc)

tests/gTests.cpp

@@ -7,7 +7,7 @@
 
 #include "Game.h"
 
-TEST(Setup,LevelSetup)
+TEST(Setup,GameSetup)
 {
     // TODO : Think about parsing from file ? Currently cumbersome and error-prone
     std::vector<std::string> textures = {"Head_Boy.png","Head_Significant_Boy.png","Building.png"};