Minor changes after review

hystrix/src/main/java/com/baeldung/hystrix/HystrixController.java

@@ -10,8 +10,13 @@ public class HystrixController {
     @Autowired
     private SpringExistingClient client;
 
-    @RequestMapping("/")
-    public String index() throws InterruptedException{
-        return client.invokeRemoteService();
+    @RequestMapping("/withHystrix")
+    public String withHystrix() throws InterruptedException{
+        return client.invokeRemoteServiceWithHystrix();
+    }
+
+    @RequestMapping("/withOutHystrix")
+    public String withOutHystrix() throws InterruptedException{
+        return client.invokeRemoteServiceWithOutHystrix();
     }
 }

hystrix/src/main/java/com/baeldung/hystrix/SpringExistingClient.java

@@ -10,8 +10,11 @@ public class SpringExistingClient {
     private int remoteServiceDelay;
 
     @HystrixCircuitBreaker
-    public String invokeRemoteService() throws InterruptedException{
+    public String invokeRemoteServiceWithHystrix() throws InterruptedException{
         return new RemoteServiceTestSimulator(remoteServiceDelay).execute();
     }
 
+    public String invokeRemoteServiceWithOutHystrix() throws InterruptedException{
+        return new RemoteServiceTestSimulator(remoteServiceDelay).execute();
+    }
 }

hystrix/src/test/java/com/baeldung/hystrix/SpringAndHystrixIntegrationTest.java

@@ -23,10 +23,14 @@ public class SpringAndHystrixIntegrationTest {
     public final ExpectedException exception = ExpectedException.none();
 
     @Test
-    public void givenTimeOutOf15000_whenExistingClientCalled_thenExpectHystrixRuntimeException() throws InterruptedException {
+    public void givenTimeOutOf15000_whenClientCalledWithHystrix_thenExpectHystrixRuntimeException() throws InterruptedException {
         exception.expect(HystrixRuntimeException.class);
-        assertThat(hystrixController.index(), equalTo("Success"));
+        hystrixController.withHystrix();
     }
 
+    @Test
+    public void givenTimeOutOf15000_whenClientCalledWithOutHystrix_thenExpectSuccess() throws InterruptedException {
+        assertThat(hystrixController.withOutHystrix(), equalTo("Success"));
+    }
 
 }