[PRMT-4678] - Modified try-with-resources block to make unit test pass (

#244)

src/main/java/uk/nhs/prm/repo/ehrtransferservice/services/ehr_repo/EhrRepoClient.java

@@ -83,16 +83,19 @@ public StoreMessageResponseBody confirmMessageStored(ParsedMessage parsedMessage
                 .header("traceId", tracer.getTraceId())
                 .POST(jsonPayload).build();
 
-        try (var httpClient = HttpClient.newHttpClient()) {
-            var response = httpClient.send(request, HttpResponse.BodyHandlers.ofString());
+        HttpResponse<String> response;
 
-            if (response.statusCode() != 201) {
-                throw new HttpException(String.format("Unexpected response from EHR while checking if a message was stored: %d", response.statusCode()));
-            }
-            return parseResponse(response);
+        try (var httpClient = HttpClient.newHttpClient()) {
+            response = httpClient.send(request, HttpResponse.BodyHandlers.ofString());
         } catch (Exception exception) {
             throw new RuntimeException("Error encountered when uploading message to S3", exception);
         }
+
+        if (response.statusCode() != 201) {
+            throw new HttpException(String.format("Unexpected response from EHR while checking if a message was stored: %d", response.statusCode()));
+        }
+
+        return parseResponse(response);
     }
 
     public void softDeleteEhrRecord(String nhsNumber) {