diff --git a/src/integrationTest/java/integration/tests/MissingDataTest.java b/src/integrationTest/java/integration/tests/MissingDataTest.java
index f722920e6..7d4d37fcb 100644
--- a/src/integrationTest/java/integration/tests/MissingDataTest.java
+++ b/src/integrationTest/java/integration/tests/MissingDataTest.java
@@ -14,7 +14,7 @@
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
-public class MissingDataTest {
+class MissingDataTest extends IntegrationTest {
     @Test
     @Tag("v2")
     void missingAccount() throws SQLException {
diff --git a/src/integrationTest/java/integration/tests/NullableValuesTest.java b/src/integrationTest/java/integration/tests/NullableValuesTest.java
index d4dec157e..347c4b698 100644
--- a/src/integrationTest/java/integration/tests/NullableValuesTest.java
+++ b/src/integrationTest/java/integration/tests/NullableValuesTest.java
@@ -16,7 +16,7 @@
 import static org.junit.jupiter.api.Assertions.assertNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
-public class NullableValuesTest extends IntegrationTest {
+class NullableValuesTest extends IntegrationTest {
     @BeforeEach
     void beforeAll() {
         executeStatementFromFile("/statements/nullable-types/ddl.sql");
diff --git a/src/integrationTest/java/integration/tests/NumericTypesTest.java b/src/integrationTest/java/integration/tests/NumericTypesTest.java
index 5badb28b6..8093aab29 100644
--- a/src/integrationTest/java/integration/tests/NumericTypesTest.java
+++ b/src/integrationTest/java/integration/tests/NumericTypesTest.java
@@ -10,7 +10,7 @@
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
-public class NumericTypesTest extends IntegrationTest {
+class NumericTypesTest extends IntegrationTest {
     @Test
     void shouldHaveCorrectInfo() throws SQLException {
         try (Connection connection = this.createConnection(null);