[DSC-93] Added tests for ProcessCleaner

dspace-api/src/test/java/org/dspace/builder/ProcessBuilder.java

@@ -11,6 +11,7 @@ import java.io.IOException;
 import java.sql.SQLException;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
+import java.util.Date;
 import java.util.List;
 import java.util.Set;
 
@@ -60,6 +61,11 @@ public class ProcessBuilder extends AbstractBuilder<Process, ProcessService> {
         return this;
     }
 
+    public ProcessBuilder withCreationTime(Date creationTime) {
+        process.setCreationTime(creationTime);
+        return this;
+    }
+
     public ProcessBuilder withStartAndEndTime(String startTime, String endTime) throws ParseException {
         SimpleDateFormat simpleDateFormat = new SimpleDateFormat("dd/MM/yyyy");
         process.setStartTime(simpleDateFormat.parse(startTime));