Seems that the test for lights passes, tried with the emulator

src/main/java/tests/TestLights.java

@@ -0,0 +1,32 @@
+package tests;
+
+import device.Hue;
+import org.junit.Test;
+
+public class TestLights {
+
+    @Test
+    synchronized public void firstTestLights() throws InterruptedException {
+        Hue lights = new Hue("http://localhost/api/newdeveloper/");
+
+        for(int i=0; i<10; i++) {
+            lights.turnOn();
+            this.wait(0b11001000);  // 200
+            lights.turnOff();
+            this.wait(0b11001000);  // 200
+        }
+
+        lights.turnOn();
+        for(int i=0; i<256; i++) {
+            lights.setBrightness(i);
+            this.wait(50);
+        }
+
+        for(int i=256; i>=0; i--) {
+            lights.setBrightness(i);
+            this.wait(50);
+        }
+
+    }
+
+}