diff --git a/scm-webapp/src/test/java/sonia/scm/security/GroupCollectorTest.java b/scm-webapp/src/test/java/sonia/scm/security/GroupCollectorTest.java
index 57f0362549..e366b15b50 100644
--- a/scm-webapp/src/test/java/sonia/scm/security/GroupCollectorTest.java
+++ b/scm-webapp/src/test/java/sonia/scm/security/GroupCollectorTest.java
@@ -1,10 +1,10 @@
 /**
  * Copyright (c) 2014, Sebastian Sdorra
  * All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
- * 
+ *
  * 1. Redistributions of source code must retain the above copyright notice,
  *    this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright notice,
@@ -13,7 +13,7 @@
  * 3. Neither the name of SCM-Manager; nor the names of its
  *    contributors may be used to endorse or promote products derived from this
  *    software without specific prior written permission.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
@@ -24,20 +24,15 @@
  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
+ *
  * http://bitbucket.org/sdorra/scm-manager
- * 
+ *
  */
 
 package sonia.scm.security;
 
 import com.google.common.collect.ImmutableSet;
-import java.util.Set;
-import jdk.nashorn.internal.ir.annotations.Immutable;
 import org.junit.Test;
-import static org.junit.Assert.*;
-import static org.mockito.Mockito.*;
-import static org.hamcrest.Matchers.*;
 import org.junit.runner.RunWith;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
@@ -47,9 +42,15 @@ import sonia.scm.group.GroupManager;
 import sonia.scm.user.UserTestData;
 import sonia.scm.web.security.AuthenticationResult;
 
+import java.util.Set;
+
+import static org.hamcrest.Matchers.containsInAnyOrder;
+import static org.junit.Assert.assertThat;
+import static org.mockito.Mockito.when;
+
 /**
  * Unit tests for {@link GroupCollector}.
- * 
+ *
  * @author Sebastian Sdorra
  * @since 1.52
  */
@@ -58,10 +59,10 @@ public class GroupCollectorTest {
 
   @Mock
   private GroupManager groupManager;
-  
+
   @InjectMocks
   private GroupCollector collector;
-  
+
   /**
    * Tests {@link GroupCollector#collectGroups(AuthenticationResult)} without groups from authenticator.
    */
@@ -70,7 +71,7 @@ public class GroupCollectorTest {
     Set<String> groups = collector.collectGroups(new AuthenticationResult(UserTestData.createSlarti()));
     assertThat(groups, containsInAnyOrder("_authenticated"));
   }
-  
+
   /**
    * Tests {@link GroupCollector#collectGroups(AuthenticationResult)} with groups from authenticator.
    */
@@ -80,7 +81,7 @@ public class GroupCollectorTest {
     Set<String> groups = collector.collectGroups(new AuthenticationResult(UserTestData.createSlarti(), authGroups));
     assertThat(groups, containsInAnyOrder("_authenticated", "puzzle42"));
   }
-  
+
   /**
    * Tests {@link GroupCollector#collectGroups(AuthenticationResult)} with groups from db.
    */
@@ -91,7 +92,7 @@ public class GroupCollectorTest {
     Set<String> groups = collector.collectGroups(new AuthenticationResult(UserTestData.createSlarti()));
     assertThat(groups, containsInAnyOrder("_authenticated", "puzzle42"));
   }
-  
+
 /**
    * Tests {@link GroupCollector#collectGroups(AuthenticationResult)} with groups from db.
    */
@@ -104,4 +105,4 @@ public class GroupCollectorTest {
     assertThat(groups, containsInAnyOrder("_authenticated", "puzzle42", "heartOfGold"));
   }
 
-}
\ No newline at end of file
+}