Added a test for WakeUpRequestHandler

src/test/java/org/fogbowcloud/green/server/communication/TestWakeUpRequestHandler.java

+package org.fogbowcloud.green.server.communication;
+
+import org.junit.Assert;
+
+import org.dom4j.Element;
+import org.fogbowcloud.green.server.core.greenStrategy.DefaultGreenStrategy;
+import org.junit.Test;
+import org.mockito.Mockito;
+import org.xmpp.packet.IQ;
+import org.xmpp.packet.IQ.Type;
+
+public class TestWakeUpRequestHandler {
+	
+	private DefaultGreenStrategy createGreenStrategyMock(int minCPU, int minRAM) {
+		DefaultGreenStrategy gs = Mockito.mock(DefaultGreenStrategy.class);
+		Mockito.doNothing().when(gs).wakeUpSleepingHost(minCPU, minRAM);
+		return gs;
+	}
+	
+	@Test
+	public void testHandlingWithRequest() {
+		IQ iq = new IQ(Type.set);
+		iq.setTo("green.test.com");
+		Element query = iq.getElement().addElement("query");
+        query.addElement("minCPU").setText(Integer.toString(1));
+        query.addElement("minRAM").setText(Integer.toString(1024));
+        WakeUpRequestHandler wurh = new WakeUpRequestHandler(this.createGreenStrategyMock(1, 1024));
+        IQ result = wurh.handle(iq);
+		System.out.println(result);
+        Assert.assertEquals(result.getFrom().toString(), "green.test.com");
+	}
+
+}