Add client test

src/Client/src/test/java/ApplicationTest.java

@@ -0,0 +1,16 @@
+import gogreen.client.Application;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+public class ApplicationTest {
+    @Test
+    public void applicationContextLoaded() {
+    }
+
+    @Test
+    public void applicationContextTest() {
+        Application.main(new String[] {});
+    }
+}