small code refactoring

Author: ORybak5

service/src/main/java/uk/nhs/adaptors/gp2gp/common/storage/StorageConnectorConfiguration.java

@@ -16,6 +16,8 @@
 @Configuration
 @ConfigurationProperties(prefix = "gp2gp.storage")
 public class StorageConnectorConfiguration {
+
+    private static final Region REGION = Region.EU_WEST_2;
     private static final String S3_PREFIX = "s3";
 
     private String type;
@@ -27,7 +29,7 @@ public class StorageConnectorConfiguration {
     @Bean
     public S3Client getS3Client() {
         if (StringUtils.isNotBlank(trustStoreUrl) && trustStoreUrl.startsWith(S3_PREFIX)) {
-            return S3Client.builder().region(Region.EU_WEST_2).build();
+            return S3Client.builder().region(REGION).build();
         }
 
         return null;

service/src/test/java/uk/nhs/adaptors/gp2gp/common/configuration/CustomTrustStoreTest.java

@@ -37,7 +37,7 @@ static void setUp() {
             .endpointOverride(URI.create("http://localhost:" + PORT))
             .credentialsProvider(StaticCredentialsProvider.create(
                 AwsBasicCredentials.create("accessKey", "secretKey")))
-            .region(Region.US_EAST_1)
+            .region(Region.EU_WEST_2)
             .serviceConfiguration(S3Configuration.builder().pathStyleAccessEnabled(true).build())
             .build();