minor: add private modifier

SVN: 15014

openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/business/bo/AuthorizationGroupBOTest.java

@@ -38,7 +38,7 @@ import ch.systemsx.cisd.openbis.generic.shared.dto.DatabaseInstancePE;
 @Friend(toClasses = AuthorizationGroupBO.class)
 public final class AuthorizationGroupBOTest extends AbstractBOTest
 {
-    IAuthorizationGroupFactory groupFactory;
+    private IAuthorizationGroupFactory groupFactory;
 
     @Override
     @BeforeMethod

openbis/sourceTest/java/ch/systemsx/cisd/openbis/generic/server/dataaccess/db/MaterialDAOTest.java

@@ -54,7 +54,7 @@ public final class MaterialDAOTest extends AbstractDAOTest
 
     private static final String BRAND_NEW_BACTERIUM = "BRAND_NEW_BACTERIUM";
 
-    final int NUMBER_OF_BACTERIA = 4;
+    private final int NUMBER_OF_BACTERIA = 4;
 
     @Test
     public void testCreateMaterials() throws Exception