Make it possible to test that the stock app doesn't crash on startup and paints the basic scaffold …

sky/tests/raw/render_flex-expected.txt

 CONSOLE: unittest-suite-wait-for-done
-CONSOLE: TestView enabled
+CONSOLE: TestRenderView enabled
 CONSOLE: 
 PAINT FOR FRAME #1 ----------------------------------------------
 1 | TestDisplayList() constructor: 800.0 x 600.0
-1 | paintChild at 0.0,0.0
+1 | paintChild RenderDecoratedBox at Point(0.0, 0.0)
 1 |  | TestDisplayList() constructor: 800.0 x 600.0
-1 |  | drawRect(0.0:0.0:600.0:800.0, Paint(Color(0xff000000)))
-1 |  | paintChild at 0.0,0.0
+1 |  | drawRect(Rect.fromLTRB(0.0, 0.0, 800.0, 600.0), Paint(Color(0xff000000)))
+1 |  | paintChild RenderSolidColor at Point(0.0, 0.0)
 1 |  |  | TestDisplayList() constructor: 800.0 x 600.0
-1 |  |  | drawRect(0.0:0.0:82.5:800.0, Paint(Color(0xffffff00)))
-1 |  | paintChild at 350.0,82.5
+1 |  |  | drawRect(Rect.fromLTRB(0.0, 0.0, 800.0, 82.5), Paint(Color(0xffffff00)))
+1 |  | paintChild RenderSolidColor at Point(350.0, 82.5)
 1 |  |  | TestDisplayList() constructor: 800.0 x 600.0
-1 |  |  | drawRect(0.0:0.0:100.0:100.0, Paint(Color(0x7700ffff)))
-1 |  | paintChild at 0.0,182.5
+1 |  |  | drawRect(Rect.fromLTRB(0.0, 0.0, 100.0, 100.0), Paint(Color(0x7700ffff)))
+1 |  | paintChild RenderPadding at Point(0.0, 182.5)
 1 |  |  | TestDisplayList() constructor: 800.0 x 600.0
-1 |  |  | paintChild at 10.0,10.0
+1 |  |  | paintChild RenderDecoratedBox at Point(10.0, 10.0)
 1 |  |  |  | TestDisplayList() constructor: 800.0 x 600.0
-1 |  |  |  | drawRect(0.0:0.0:150.0:780.0, Paint(Color(0xffffffff)))
-1 |  |  |  | paintChild at 0.0,0.0
+1 |  |  |  | drawRect(Rect.fromLTRB(0.0, 0.0, 780.0, 150.0), Paint(Color(0xffffffff)))
+1 |  |  |  | paintChild RenderSolidColor at Point(0.0, 0.0)
 1 |  |  |  |  | TestDisplayList() constructor: 800.0 x 600.0
-1 |  |  |  |  | drawRect(0.0:0.0:50.0:780.0, Paint(Color(0xff00ff00)))
-1 |  |  |  | paintChild at 0.0,50.0
+1 |  |  |  |  | drawRect(Rect.fromLTRB(0.0, 0.0, 780.0, 50.0), Paint(Color(0xff00ff00)))
+1 |  |  |  | paintChild RenderSolidColor at Point(0.0, 50.0)
 1 |  |  |  |  | TestDisplayList() constructor: 800.0 x 600.0
-1 |  |  |  |  | drawRect(0.0:0.0:100.0:780.0, Paint(Color(0x7700ffff)))
-1 |  | paintChild at 0.0,352.5
+1 |  |  |  |  | drawRect(Rect.fromLTRB(0.0, 0.0, 780.0, 100.0), Paint(Color(0x7700ffff)))
+1 |  | paintChild RenderDecoratedBox at Point(0.0, 352.5)
 1 |  |  | TestDisplayList() constructor: 800.0 x 600.0
-1 |  |  | drawRect(0.0:0.0:247.5:800.0, Paint(Color(0xff333333)))
-1 |  |  | paintChild at 0.0,0.0
+1 |  |  | drawRect(Rect.fromLTRB(0.0, 0.0, 800.0, 247.5), Paint(Color(0xff333333)))
+1 |  |  | paintChild RenderSolidColor at Point(0.0, 0.0)
 1 |  |  |  | TestDisplayList() constructor: 800.0 x 600.0
-1 |  |  |  | drawRect(0.0:0.0:247.5:266.6666564941406, Paint(Color(0x77ff00ff)))
-1 |  |  | paintChild at 266.6666666666667,0.0
+1 |  |  |  | drawRect(Rect.fromLTRB(0.0, 0.0, 266.6666564941406, 247.5), Paint(Color(0x77ff00ff)))
+1 |  |  | paintChild RenderSolidColor at Point(266.6666666666667, 0.0)
 1 |  |  |  | TestDisplayList() constructor: 800.0 x 600.0
-1 |  |  |  | drawRect(0.0:0.0:247.5:533.3333129882812, Paint(Color(0xff0000ff)))
+1 |  |  |  | drawRect(Rect.fromLTRB(0.0, 0.0, 533.3333129882812, 247.5), Paint(Color(0xff0000ff)))
 ------------------------------------------------------------------------
 CONSOLE: PASS: should flex
 CONSOLE: 
 CONSOLE: All 1 tests passed.
 CONSOLE: unittest-suite-success
 DONE