Fixed JDK 1.7 not recognizing default interface method implementations.

src/test/java/password/pwm/svc/report/ReportServiceTest.java

@@ -50,6 +50,11 @@ public class ReportServiceTest {
                     @Override
                     public void close() {}
 
+                    @Override
+                    public void remove() {
+                        userCacheRecordIterator.remove();
+                    }
+
                     @Override
                     public boolean hasNext() {
                         return userCacheRecordIterator.hasNext();