Renamed variable

Author: Alex-Nita

service/src/main/java/uk/nhs/adaptors/gp2gp/ehr/mapper/diagnosticreport/DiagnosticReportMapper.java

@@ -130,14 +130,14 @@ private List<Specimen> fetchSpecimens(DiagnosticReport diagnosticReport, List<Ob
         }
 
         var inputBundleHolder = messageContext.getInputBundleHolder();
-        List<Specimen> preExistingSpecimens = diagnosticReport.getSpecimen()
+        List<Specimen> nonDummySpecimens = diagnosticReport.getSpecimen()
             .stream()
             .map(specimenReference -> inputBundleHolder.getResource(specimenReference.getReferenceElement()))
             .flatMap(Optional::stream)
             .map(Specimen.class::cast)
             .collect(Collectors.toList());
 
-        specimens.addAll(preExistingSpecimens);
+        specimens.addAll(nonDummySpecimens);
 
         return specimens;