updated layout tests

tests/Layout/tests/buttons_1_bangle1.js

@@ -1,6 +1,7 @@
 var BTN2 = 1, BTN3=2;
 process.env = process.env;process.env.HWVERSION=1;
 g = Graphics.createArrayBuffer(240,240,4);
+Bangle.appRect = {x:0,y:0,w:240,h:240,x2:239,y2:239};
 
 var layout = new Layout({ type: "v", c: [
   {type:"txt", font:"6x8", label:"A test"},

tests/Layout/tests/buttons_3_bangle1.js

@@ -1,6 +1,7 @@
 var BTN2 = 1, BTN3=2;
 process.env = process.env;process.env.HWVERSION=1;
 g = Graphics.createArrayBuffer(240,240,4);
+Bangle.appRect = {x:0,y:0,w:240,h:240,x2:239,y2:239};
 
 var layout = new Layout({ type: "v", c: [
   {type:"txt", font:"6x8", label:"A test"},

tests/Layout/tests/buttons_osd_bangle1.js

@@ -1,6 +1,7 @@
 var BTN2 = 1, BTN3=2;
 process.env = process.env;process.env.HWVERSION=1;
 g = Graphics.createArrayBuffer(240,240,4);
+Bangle.appRect = {x:0,y:0,w:240,h:240,x2:239,y2:239};
 
 /* When displaying OSD buttons on Bangle.js 1 we should turn
 the side buttons into 'soft' buttons and then use the physical