Apply Sonar suggestions

Author: Chris0296

cqf-fhir-cr-hapi/src/main/java/org/opencds/cqf/fhir/cr/hapi/common/HapiCreateChangelogProcessor.java

@@ -82,10 +82,10 @@ public IBaseResource createChangelog(
             sourceBundle = (Bundle) packages.get(0).get();
             targetBundle = (Bundle) packages.get(1).get();
             service.shutdownNow();
-        } catch (InterruptedException | ExecutionException e) {
-            if (e instanceof InterruptedException) {
-                Thread.currentThread().interrupt();
-            }
+        } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
+            throw new UnprocessableEntityException(e.getMessage());
+        } catch (ExecutionException e) {
             throw new UnprocessableEntityException(e.getMessage());
         } finally {
             service.shutdown();

cqf-fhir-cr-hapi/src/test/java/org/opencds/cqf/fhir/cr/hapi/common/HapiCreateChangelogProcessorTest.java

@@ -23,7 +23,6 @@
 class HapiCreateChangelogProcessorTest {
 
     public HapiCreateChangelogProcessor createChangelogProcessor;
-    public InMemoryFhirRepository repository;
 
     @Test
     void create_changelog_pages() {