OAuth2 Principal and Authorities example - refactor and added example using custom authorization server

spring-5-security/src/test/java/com/baeldung/oauth2extractors/ExtractorsUnitTest.java

@@ -6,6 +6,7 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.web.servlet.MockMvc;
@@ -21,6 +22,7 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
 @RunWith(SpringRunner.class)
 @SpringBootTest(classes = ExtractorsApplication.class, webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
 @ContextConfiguration(classes = {SecurityConfig.class})
+@ActiveProfiles("oauth2-extractors-github")
 public class ExtractorsUnitTest {
 
     @Autowired