Polishing.

Reformat code.

See #606.

rest/headers/src/test/java/example/springdata/rest/headers/ApplicationIntegrationTests.java

@@ -15,13 +15,13 @@
  */
 package example.springdata.rest.headers;
 
+import static org.assertj.core.api.Assertions.*;
+
 import org.junit.jupiter.api.Test;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 
-
-import static org.assertj.core.api.Assertions.assertThat;
-
 /**
  * Integration tests to bootstrap the application.
  *

rest/headers/src/test/java/example/springdata/rest/headers/WebIntegrationTests.java

@@ -21,13 +21,11 @@ import static org.springframework.restdocs.RestDocumentation.*;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
 
-import java.net.URI;
-
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.mock.web.MockHttpServletResponse;
 import org.springframework.restdocs.config.RestDocumentationConfigurer;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;