Ensure all files end with a new line

Update all files to ensure that they always end with a new-line
character.

Issue gh-8945

test/src/main/java/org/springframework/security/test/context/support/WithAnonymousUserSecurityContextFactory.java

@@ -43,4 +43,4 @@ final class WithAnonymousUserSecurityContextFactory implements WithSecurityConte
 		return context;
 	}
 
-}
+}

test/src/main/java/org/springframework/security/test/context/support/WithSecurityContextFactory.java

@@ -41,4 +41,4 @@ public interface WithSecurityContextFactory<A extends Annotation> {
 	 */
 	SecurityContext createSecurityContext(A annotation);
 
-}
+}

test/src/test/java/org/springframework/security/test/context/showcase/CustomUserDetails.java

@@ -78,4 +78,4 @@ public class CustomUserDetails implements UserDetails {
 		return "CustomUserDetails{" + "username='" + this.username + '\'' + '}';
 	}
 
-}
+}

test/src/test/java/org/springframework/security/test/context/showcase/WithMockUserParent.java

@@ -23,4 +23,4 @@ import org.springframework.security.test.context.support.WithMockUser;
 @WithMockUser
 public class WithMockUserParent {
 
-}
+}

test/src/test/java/org/springframework/security/test/context/showcase/WithMockUserParentTests.java

@@ -60,4 +60,4 @@ public class WithMockUserParentTests extends WithMockUserParent {
 
 	}
 
-}
+}

test/src/test/java/org/springframework/security/test/context/showcase/WithMockUserTests.java

@@ -90,4 +90,4 @@ public class WithMockUserTests {
 
 	}
 
-}
+}

test/src/test/java/org/springframework/security/test/web/servlet/request/SecurityMockMvcRequestPostProcessorsAuthenticationStatelessTests.java

@@ -103,4 +103,4 @@ public class SecurityMockMvcRequestPostProcessorsAuthenticationStatelessTests {
 
 	}
 
-}
+}

test/src/test/java/org/springframework/security/test/web/servlet/request/SecurityMockMvcRequestPostProcessorsTestSecurityContextStatelessTests.java

@@ -101,4 +101,4 @@ public class SecurityMockMvcRequestPostProcessorsTestSecurityContextStatelessTes
 
 	}
 
-}
+}

test/src/test/java/org/springframework/security/test/web/servlet/showcase/secured/DefaultfSecurityRequestsTests.java

@@ -110,4 +110,4 @@ public class DefaultfSecurityRequestsTests {
 
 	}
 
-}
+}

test/src/test/java/org/springframework/security/test/web/servlet/showcase/secured/SecurityRequestsTests.java

@@ -133,4 +133,4 @@ public class SecurityRequestsTests {
 
 	}
 
-}
+}

test/src/test/java/org/springframework/security/test/web/servlet/showcase/secured/WithUserAuthenticationTests.java

@@ -111,4 +111,4 @@ public class WithUserAuthenticationTests {
 
 	}
 
-}
+}

test/src/test/java/org/springframework/security/test/web/servlet/showcase/secured/WithUserClassLevelAuthenticationTests.java

@@ -111,4 +111,4 @@ public class WithUserClassLevelAuthenticationTests {
 
 	}
 
-}
+}