little refactoring

tests/test1.nim

@@ -45,4 +45,4 @@ suite "Work with Window":
           echo "backward pressed!"
 
     addMainScene(main)  # Adds scene to window and 
-    windowLaunch()
+    runApp()

tests/test2.nim

@@ -81,4 +81,4 @@ suite "Work with default nodes.":
     getSceneByName("main").addChildren(rect, rect1, rect2, animation, animation1, animation2)
 
   test "Launch window":
-    windowLaunch()
+    runApp()

tests/test3.nim

@@ -412,4 +412,4 @@ suite "Work with Control nodes.":
 
 
   test "Launch window":
-    windowLaunch()
+    runApp()

tests/test5.nim

@@ -88,4 +88,4 @@ suite "Work with graphics.":
 
 
   test "Launch window":
-    windowLaunch()
+    runApp()

tests/test6.nim

@@ -183,4 +183,4 @@ suite "Work with 2D nodes.":
 
 
   test "Launch window":
-    windowLaunch()
+    runApp()

tests/test7.nim

@@ -89,4 +89,4 @@ suite "Work with 3D nodes.":
 
 
   test "Launch window":
-    windowLaunch()
+    runApp()