Merge pull request octalmage#568 from rayfoss/harden-screen-test

Harden screen test

Author: oktapodia

package.json

@@ -6,7 +6,7 @@
   "typings": "index.d.ts",
   "scripts": {
     "test": "run-script-os",
-    "test:darwin:linux": "jasmine 'test/**/*.js'",
+    "test:darwin:linux": "jasmine test/**/*.js",
     "test-keyboard": "node test/keyboard.js",
     "test:win32": "jasmine test/**/*.js",
     "install": "prebuild-install || node-gyp rebuild",

test/integration/screen.js

@@ -17,9 +17,18 @@ describe('Integration/Screen', () => {
 		target = null;
 	});
 
-	it('reads a pixel color', () => {
-		var color_1 = elements.color_1;
-		const color = robot.getPixelColor(color_1.x, color_1.y);
-		expect(color).toEqual('c0ff33');
+	it('reads a pixel color', (done) => {
+		const maxDelay = 1000
+		jasmine.DEFAULT_TIMEOUT_INTERVAL = maxDelay + 1000
+		const expected = 'c0ff33'
+		const color_1 = elements.color_1;
+		const sleepTime = robot.getPixelColor(color_1.x, color_1.y) === expected ? 0
+			: maxDelay
+
+		setTimeout(() => {
+			const color = robot.getPixelColor(color_1.x, color_1.y);
+			expect(color).toEqual(expected);
+			done()
+		}, sleepTime)
 	});
 });