BAEL-6558 refactor the code

Author: amijkum

spring-security-modules/spring-security-faking-oauth2-sso/src/main/java/com/baeldung/fakingouath2sso/FakingOauth2SsoApplication.java

@@ -11,7 +11,7 @@ public class FakingOauth2SsoApplication {
 
     @GetMapping("/")
     public String get() {
-        return "Login Success!";
+        return "Login Success";
     }
 
     public static void main(String[] args) {

spring-security-modules/spring-security-faking-oauth2-sso/src/test/java/com/baeldung/fakingouath2sso/FakingOauth2SSOIntegrationTest.java

@@ -21,7 +21,7 @@
 @ActiveProfiles("test")
 @AutoConfigureMockMvc
 @SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.MOCK)
-class FakingOauth2SsoApplicationTests {
+class FakingOauth2SsoApplicationTest {
 
     @Autowired
     MockMvc mockMvc;