minor: remove unnecessary fixme

SVN: 15049

datastore_server/sourceTest/java/ch/systemsx/cisd/etlserver/MainTest.java

@@ -32,7 +32,7 @@ import ch.systemsx.cisd.openbis.generic.shared.basic.dto.DatabaseInstance;
 @Friend(toClasses = ETLDaemon.class)
 public final class MainTest extends AbstractFileSystemTestCase
 {
-    private static final String GROUP_PREFIX = "Group_";// FIXME: group->space???
+    private static final String GROUP_PREFIX = "Space_";
 
     private static final String INSTANCE_PREFIX = "Instance_";