increase test speed

main.cpp

@@ -5,15 +5,14 @@ int main()
 {
     Loop loop;
 
-    loop.bars.push_back(Bar());
     loop.bars.push_back(Bar());
     
     loop.start();
 
-    loop.setBpm(60);
-    std::this_thread::sleep_for(std::chrono::milliseconds(2000));
-    loop.setBpm(120);
+    loop.setBpm(100);
     std::this_thread::sleep_for(std::chrono::milliseconds(2000));
+    loop.setBpm(160);
+    std::this_thread::sleep_for(std::chrono::milliseconds(7000));
 
     return 0;
 }