diff --git a/src/test/java/webpayplus/OneclickMallDeferredTest.java b/src/test/java/webpayplus/OneclickMallDeferredTest.java
index 15e79ea..3220d03 100644
--- a/src/test/java/webpayplus/OneclickMallDeferredTest.java
+++ b/src/test/java/webpayplus/OneclickMallDeferredTest.java
@@ -25,7 +25,7 @@
 import static org.mockserver.integration.ClientAndServer.startClientAndServer;
 
 
-public class OneclickMallDeferredTest extends OneclickMallTestBase {
+class OneclickMallDeferredTest extends OneclickMallTestBase {
 
     private static String apiUrl = ApiConstants.ONECLICK_ENDPOINT;
     private static Options option = new WebpayOptions(IntegrationCommerceCodes.ONECLICK_MALL_DEFERRED,
@@ -38,21 +38,21 @@ public class OneclickMallDeferredTest extends OneclickMallTestBase {
     private static String testToken = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
 
     @BeforeAll
-    public static void startProxy() {
+    static void startProxy() {
         client = startClientAndServer(8888);
     }
 
     @AfterAll
-    public static void stopProxy() {
+    static void stopProxy() {
         client.stop();
     }
     @AfterEach
-    public void resetMockServer() {
+    void resetMockServer() {
         client.reset();
     }
 
     @Test
-    public void start() throws IOException, InscriptionStartException {
+    void start() throws IOException, InscriptionStartException {
         String url = String.format("/%s/inscriptions",apiUrl);
 
         String urlResponse = "https://webpay3gint.transbank.cl/webpayserver/bp_multicode_inscription.cgi";
@@ -72,7 +72,7 @@ public void start() throws IOException, InscriptionStartException {
     }
 
     @Test
-    public void finish() throws IOException, InscriptionFinishException {
+    void finish() throws IOException, InscriptionFinishException {
         String url = String.format("/%s/inscriptions/%s", apiUrl, testToken);
 
         byte responseCode = 0;
@@ -100,21 +100,21 @@ public void finish() throws IOException, InscriptionFinishException {
 
     }
     @Test
-    public void delete() throws IOException, InscriptionDeleteException {
+    void delete() throws IOException, InscriptionDeleteException {
         String url = String.format("/%s/inscriptions", apiUrl);
         setResponseDelete(url);
         final boolean response = (new Oneclick.MallInscription(option)).delete(tbkUser, username);
         assertTrue(response);
     }
     @Test
-    public void deleteNotFound() throws IOException, InscriptionDeleteException {
+    void deleteNotFound() throws IOException, InscriptionDeleteException {
         String url = String.format("/%s/inscriptions", apiUrl);
         setResponseDeleteError(url, HttpStatusCode.NOT_FOUND_404);
         final boolean response = (new Oneclick.MallInscription(option)).delete(tbkUser, username);
         assertFalse(response);
     }
     @Test
-    public void authorize() throws IOException, TransactionAuthorizeException {
+    void authorize() throws IOException, TransactionAuthorizeException {
         OneclickMallTransactionStatusResponse expectedResponse = generateStatusResponse();
         String url = String.format("/%s/transactions",apiUrl);
         setResponsePost(url, generateJsonResponse());
@@ -163,7 +163,7 @@ public void authorize() throws IOException, TransactionAuthorizeException {
     }
 
     @Test
-    public void refund() throws IOException, TransactionRefundException {
+    void refund() throws IOException, TransactionRefundException {
         String buyOrder = "1643997337";
         String url = String.format("/%s/transactions/%s/refunds", apiUrl, buyOrder);
 
@@ -185,7 +185,7 @@ public void refund() throws IOException, TransactionRefundException {
     }
 
     @Test
-    public void status() throws IOException, TransactionStatusException {
+    void status() throws IOException, TransactionStatusException {
         OneclickMallTransactionStatusResponse expectedResponse = generateStatusResponse();
         String url = String.format("/%s/transactions/%s", apiUrl, expectedResponse.getBuyOrder());
         setResponseGet(url, generateJsonResponse());
@@ -221,7 +221,7 @@ public void status() throws IOException, TransactionStatusException {
     }
 
     @Test
-    public void capture() throws IOException, TransactionCaptureException {
+    void capture() throws IOException, TransactionCaptureException {
         String url = String.format("/%s/transactions/capture",apiUrl);
 
         String authorizationCode = "138248";
diff --git a/src/test/java/webpayplus/OneclickMallTest.java b/src/test/java/webpayplus/OneclickMallTest.java
index ea4f492..fcb2f77 100644
--- a/src/test/java/webpayplus/OneclickMallTest.java
+++ b/src/test/java/webpayplus/OneclickMallTest.java
@@ -24,7 +24,7 @@
 import static org.junit.jupiter.api.Assertions.*;
 import static org.mockserver.integration.ClientAndServer.startClientAndServer;
 
-public class OneclickMallTest  extends OneclickMallTestBase {
+class OneclickMallTest  extends OneclickMallTestBase {
 
     private static String apiUrl = ApiConstants.ONECLICK_ENDPOINT;
     private static Options option = new WebpayOptions(IntegrationCommerceCodes.ONECLICK_MALL,
@@ -37,22 +37,22 @@ public class OneclickMallTest  extends OneclickMallTestBase {
     private static String testToken = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
 
     @BeforeAll
-    public static void startProxy() {
+    static void startProxy() {
         client = startClientAndServer(8888);
     }
 
     @AfterAll
-    public static void stopProxy() {
+    static void stopProxy() {
         client.stop();
     }
 
     @AfterEach
-    public void resetMockServer() {
+    void resetMockServer() {
         client.reset();
     }
 
     @Test
-    public void start() throws IOException, InscriptionStartException {
+    void start() throws IOException, InscriptionStartException {
         String url = String.format("/%s/inscriptions",apiUrl);
 
         String urlResponse = "https://webpay3gint.transbank.cl/webpayserver/bp_multicode_inscription.cgi";
@@ -72,7 +72,7 @@ public void start() throws IOException, InscriptionStartException {
     }
 
     @Test
-    public void finish() throws IOException, InscriptionFinishException {
+    void finish() throws IOException, InscriptionFinishException {
         String url = String.format("/%s/inscriptions/%s", apiUrl, testToken);
 
         byte responseCode = 0;
@@ -101,7 +101,7 @@ public void finish() throws IOException, InscriptionFinishException {
     }
 
     @Test
-    public void delete() throws IOException, InscriptionDeleteException {
+    void delete() throws IOException, InscriptionDeleteException {
         String url = String.format("/%s/inscriptions", apiUrl);
         setResponseDelete(url);
         final boolean response = (new Oneclick.MallInscription(option)).delete(tbkUser, username);
@@ -109,14 +109,14 @@ public void delete() throws IOException, InscriptionDeleteException {
     }
 
     @Test
-    public void deleteNotFound() throws IOException, InscriptionDeleteException {
+    void deleteNotFound() throws IOException, InscriptionDeleteException {
         String url = String.format("/%s/inscriptions", apiUrl);
         setResponseDeleteError(url, HttpStatusCode.NOT_FOUND_404);
         final boolean response = (new Oneclick.MallInscription(option)).delete(tbkUser, username);
         assertFalse(response);
     }
     @Test
-    public void authorize() throws IOException, TransactionAuthorizeException {
+    void authorize() throws IOException, TransactionAuthorizeException {
         OneclickMallTransactionStatusResponse expectedResponse = generateStatusResponse();
         String url = String.format("/%s/transactions",apiUrl);
         setResponsePost(url, generateJsonResponse());
@@ -165,7 +165,7 @@ public void authorize() throws IOException, TransactionAuthorizeException {
     }
 
     @Test
-    public void refund() throws IOException, TransactionRefundException {
+    void refund() throws IOException, TransactionRefundException {
         String buyOrder = "1643997337";
         String url = String.format("/%s/transactions/%s/refunds", apiUrl, buyOrder);
 
@@ -187,7 +187,7 @@ public void refund() throws IOException, TransactionRefundException {
     }
 
     @Test
-    public void status() throws IOException, TransactionStatusException {
+    void status() throws IOException, TransactionStatusException {
         OneclickMallTransactionStatusResponse expectedResponse = generateStatusResponse();
         String url = String.format("/%s/transactions/%s", apiUrl, expectedResponse.getBuyOrder());
         setResponseGet(url, generateJsonResponse());
diff --git a/src/test/java/webpayplus/PatpassComercioTest.java b/src/test/java/webpayplus/PatpassComercioTest.java
index 6bffa16..df79fb4 100644
--- a/src/test/java/webpayplus/PatpassComercioTest.java
+++ b/src/test/java/webpayplus/PatpassComercioTest.java
@@ -26,7 +26,7 @@
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockserver.integration.ClientAndServer.startClientAndServer;
 
-public class PatpassComercioTest extends TestBase {
+class PatpassComercioTest extends TestBase {
 
     private static String apiUrl = ApiConstants.PATPASS_COMERCIO_ENDPOINT;
     private static Options option = new PatpassOptions(IntegrationCommerceCodes.PATPASS_COMERCIO,
@@ -34,20 +34,20 @@ public class PatpassComercioTest extends TestBase {
     private static String testToken = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
 
     @BeforeAll
-    public static void startProxy() {
+    static void startProxy() {
         client = startClientAndServer(8888);
     }
 
     @AfterAll
-    public static void stopProxy() {
+    static void stopProxy() {
         client.stop();
     }
     @AfterEach
-    public void resetMockServer() {
+    void resetMockServer() {
         client.reset();
     }
     @Test
-    public void start() throws IOException, InscriptionStartException {
+    void start() throws IOException, InscriptionStartException {
         
         String url = String.format("/%s/patInscription", apiUrl);
 
@@ -97,7 +97,7 @@ public void start() throws IOException, InscriptionStartException {
     }
 
     @Test
-    public void status() throws IOException, TransactionStatusException {
+    void status() throws IOException, TransactionStatusException {
         
         String url = String.format("/%s/status", apiUrl);
 
diff --git a/src/test/java/webpayplus/WebpayPlusDeferredTest.java b/src/test/java/webpayplus/WebpayPlusDeferredTest.java
index 3b4a583..b3f2ab4 100644
--- a/src/test/java/webpayplus/WebpayPlusDeferredTest.java
+++ b/src/test/java/webpayplus/WebpayPlusDeferredTest.java
@@ -24,27 +24,27 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockserver.integration.ClientAndServer.startClientAndServer;
 
-public class WebpayPlusDeferredTest extends WebpayPlusTestBase {
+class WebpayPlusDeferredTest extends WebpayPlusTestBase {
     private static String apiUrl = ApiConstants.WEBPAY_ENDPOINT;
     private static Options option = new WebpayOptions(IntegrationCommerceCodes.WEBPAY_PLUS_DEFERRED,
             IntegrationApiKeys.WEBPAY, IntegrationType.SERVER_MOCK);
     private static String testToken = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
 
     @BeforeAll
-    public static void startProxy() {
+    static void startProxy() {
         client = startClientAndServer(8888);
     }
 
     @AfterAll
-    public static void stopProxy() {
+    static void stopProxy() {
         client.stop();
     }
     @AfterEach
-    public void resetMockServer() {
+    void resetMockServer() {
         client.reset();
     }
     @Test
-    public void create() throws IOException, TransactionCreateException {
+    void create() throws IOException, TransactionCreateException {
         String url = String.format("/%s/transactions", apiUrl);
 
         String urlResponse = "https://webpay3gint.transbank.cl/webpayserver/initTransaction";
@@ -67,7 +67,7 @@ public void create() throws IOException, TransactionCreateException {
     }
 
     @Test
-    public void commit() throws IOException, TransactionCommitException {
+    void commit() throws IOException, TransactionCommitException {
         WebpayPlusTransactionStatusResponse expectedResponse = generateStatusResponse();
         String url = String.format("/%s/transactions/%s", apiUrl, testToken);
         setResponsePut(url, generateCommitJsonResponse());
@@ -88,7 +88,7 @@ public void commit() throws IOException, TransactionCommitException {
     }
 
     @Test
-    public void refund() throws IOException, TransactionRefundException {
+    void refund() throws IOException, TransactionRefundException {
         String url = String.format("/%s/transactions/%s/refunds", apiUrl, testToken);
         double amount = 1000d;
         String type = "REVERSED";
@@ -105,7 +105,7 @@ public void refund() throws IOException, TransactionRefundException {
     }
 
     @Test
-    public void status() throws IOException, TransactionStatusException {
+    void status() throws IOException, TransactionStatusException {
         WebpayPlusTransactionStatusResponse expectedResponse = generateStatusResponse();
         String url = String.format("/%s/transactions/%s", apiUrl, testToken);
         setResponseGet(url, generateCommitJsonResponse());
@@ -126,7 +126,7 @@ public void status() throws IOException, TransactionStatusException {
     }
 
     @Test
-    public void capture() throws IOException, TransactionCaptureException {
+    void capture() throws IOException, TransactionCaptureException {
         String url = String.format("/%s/transactions/%s/capture", apiUrl, testToken);
         String authorizationCode = "1213";
         String authorizationDate = "2021-08-01T03:17:42.785Z";
diff --git a/src/test/java/webpayplus/WebpayPlusMallDeferredTest.java b/src/test/java/webpayplus/WebpayPlusMallDeferredTest.java
index 4241812..dd9825e 100644
--- a/src/test/java/webpayplus/WebpayPlusMallDeferredTest.java
+++ b/src/test/java/webpayplus/WebpayPlusMallDeferredTest.java
@@ -22,7 +22,7 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockserver.integration.ClientAndServer.startClientAndServer;
 
-public class WebpayPlusMallDeferredTest extends WebpayPlusMallTestBase {
+class WebpayPlusMallDeferredTest extends WebpayPlusMallTestBase {
 
     private static String apiUrl = ApiConstants.WEBPAY_ENDPOINT;
     private static Options option = new WebpayOptions(IntegrationCommerceCodes.WEBPAY_PLUS_MALL_DEFERRED,
@@ -30,20 +30,20 @@ public class WebpayPlusMallDeferredTest extends WebpayPlusMallTestBase {
     private static String testToken = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
 
     @BeforeAll
-    public static void startProxy() {
+    static void startProxy() {
         client = startClientAndServer(8888);
     }
 
     @AfterAll
-    public static void stopProxy() {
+    static void stopProxy() {
         client.stop();
     }
     @AfterEach
-    public void resetMockServer() {
+    void resetMockServer() {
         client.reset();
     }
     @Test
-    public void create() throws IOException, TransactionCreateException {
+    void create() throws IOException, TransactionCreateException {
 
         String url = String.format("/%s/transactions", apiUrl);
 
@@ -78,7 +78,7 @@ public void create() throws IOException, TransactionCreateException {
     }
 
     @Test
-    public void commit() throws IOException, TransactionCommitException {
+    void commit() throws IOException, TransactionCommitException {
         WebpayPlusMallTransactionStatusResponse expectedResponse = generateStatusResponse();
         String url = String.format("/%s/transactions/%s", apiUrl, testToken);
         setResponsePut(url, generateCommitJsonResponse());
@@ -117,7 +117,7 @@ public void commit() throws IOException, TransactionCommitException {
 
 
     @Test
-    public void refund() throws IOException, TransactionRefundException {
+    void refund() throws IOException, TransactionRefundException {
 
         String url = String.format("/%s/transactions/%s/refunds", apiUrl, testToken);
         String type = "REVERSED";
@@ -139,7 +139,7 @@ public void refund() throws IOException, TransactionRefundException {
     }
 
     @Test
-    public void status() throws IOException, TransactionStatusException {
+    void status() throws IOException, TransactionStatusException {
         WebpayPlusMallTransactionStatusResponse expectedResponse = generateStatusResponse();
         String url = String.format("/%s/transactions/%s",apiUrl, testToken);
         setResponseGet(url, generateCommitJsonResponse());
@@ -177,7 +177,7 @@ public void status() throws IOException, TransactionStatusException {
     }
 
     @Test
-    public void capture() throws IOException, TransactionCaptureException {
+    void capture() throws IOException, TransactionCaptureException {
         String url = String.format("/%s/transactions/%s/capture", apiUrl, testToken);
 
         String commerceCode = "597055555537";
diff --git a/src/test/java/webpayplus/WebpayPlusMallTest.java b/src/test/java/webpayplus/WebpayPlusMallTest.java
index 1ce0e97..a267521 100644
--- a/src/test/java/webpayplus/WebpayPlusMallTest.java
+++ b/src/test/java/webpayplus/WebpayPlusMallTest.java
@@ -25,7 +25,7 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockserver.integration.ClientAndServer.startClientAndServer;
 
-public class WebpayPlusMallTest extends WebpayPlusMallTestBase {
+class WebpayPlusMallTest extends WebpayPlusMallTestBase {
 
     private static String apiUrl = ApiConstants.WEBPAY_ENDPOINT;
     private static Options option = new WebpayOptions(IntegrationCommerceCodes.WEBPAY_PLUS_MALL,
@@ -33,20 +33,20 @@ public class WebpayPlusMallTest extends WebpayPlusMallTestBase {
     private static String testToken = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
 
     @BeforeAll
-    public static void startProxy() {
+    static void startProxy() {
         client = startClientAndServer(8888);
     }
 
     @AfterAll
-    public static void stopProxy() {
+    static void stopProxy() {
         client.stop();
     }
     @AfterEach
-    public void resetMockServer() {
+    void resetMockServer() {
         client.reset();
     }
     @Test
-    public void create() throws IOException, TransactionCreateException {
+    void create() throws IOException, TransactionCreateException {
         
         String url = String.format("/%s/transactions", apiUrl);
 
@@ -81,7 +81,7 @@ public void create() throws IOException, TransactionCreateException {
     }
 
     @Test
-    public void commit() throws IOException, TransactionCommitException {
+    void commit() throws IOException, TransactionCommitException {
         WebpayPlusMallTransactionStatusResponse expectedResponse = generateStatusResponse();
         String url = String.format("/%s/transactions/%s", apiUrl, testToken);
         setResponsePut(url, generateCommitJsonResponse());
@@ -120,7 +120,7 @@ public void commit() throws IOException, TransactionCommitException {
 
 
     @Test
-    public void refund() throws IOException, TransactionRefundException {
+    void refund() throws IOException, TransactionRefundException {
         
         String url = String.format("/%s/transactions/%s/refunds", apiUrl, testToken);
         String type = "REVERSED";
@@ -142,7 +142,7 @@ public void refund() throws IOException, TransactionRefundException {
     }
 
     @Test
-    public void status() throws IOException, TransactionStatusException {
+    void status() throws IOException, TransactionStatusException {
         WebpayPlusMallTransactionStatusResponse expectedResponse = generateStatusResponse();
         String url = String.format("/%s/transactions/%s",apiUrl, testToken);
         setResponseGet(url, generateCommitJsonResponse());
diff --git a/src/test/java/webpayplus/WebpayPlusTest.java b/src/test/java/webpayplus/WebpayPlusTest.java
index d9d3cad..a3c58e3 100644
--- a/src/test/java/webpayplus/WebpayPlusTest.java
+++ b/src/test/java/webpayplus/WebpayPlusTest.java
@@ -29,27 +29,27 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockserver.integration.ClientAndServer.startClientAndServer;
 
-public class WebpayPlusTest extends WebpayPlusTestBase {
+class WebpayPlusTest extends WebpayPlusTestBase {
     private static String apiUrl = ApiConstants.WEBPAY_ENDPOINT;
     private static Options option = new WebpayOptions(IntegrationCommerceCodes.WEBPAY_PLUS,
             IntegrationApiKeys.WEBPAY, IntegrationType.SERVER_MOCK);
     private static String testToken = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
 
     @BeforeAll
-    public static void startProxy() {
+    static void startProxy() {
         client = startClientAndServer(8888);
     }
 
     @AfterAll
-    public static void stopProxy() {
+    static void stopProxy() {
         client.stop();
     }
     @AfterEach
-    public void resetMockServer() {
+    void resetMockServer() {
         client.reset();
     }
     @Test
-    public void create() throws IOException, TransactionCreateException {
+    void create() throws IOException, TransactionCreateException {
         String url = String.format("/%s/transactions", apiUrl);
 
         String urlResponse = "https://webpay3gint.transbank.cl/webpayserver/initTransaction";
@@ -72,7 +72,7 @@ public void create() throws IOException, TransactionCreateException {
     }
 
     @Test
-    public void commit() throws IOException, TransactionCommitException {
+    void commit() throws IOException, TransactionCommitException {
         WebpayPlusTransactionStatusResponse expectedResponse = generateStatusResponse();
         String url = String.format("/%s/transactions/%s", apiUrl, testToken);
         setResponsePut(url, generateCommitJsonResponse());
@@ -93,7 +93,7 @@ public void commit() throws IOException, TransactionCommitException {
     }
 
     @Test
-    public void refund() throws IOException, TransactionRefundException {
+    void refund() throws IOException, TransactionRefundException {
         String url = String.format("/%s/transactions/%s/refunds", apiUrl, testToken);
         double amount = 1000d;
         String type = "REVERSED";
@@ -110,7 +110,7 @@ public void refund() throws IOException, TransactionRefundException {
     }
 
     @Test
-    public void status() throws IOException, TransactionStatusException {
+    void status() throws IOException, TransactionStatusException {
         WebpayPlusTransactionStatusResponse expectedResponse = generateStatusResponse();
         String url = String.format("/%s/transactions/%s", apiUrl, testToken);
         setResponseGet(url, generateCommitJsonResponse());