diff --git a/instrumentation/aws-sdk/aws-sdk-2.2/library/src/test/java/io/opentelemetry/instrumentation/awssdk/v2_2/FieldMapperTest.java b/instrumentation/aws-sdk/aws-sdk-2.2/library/src/test/java/io/opentelemetry/instrumentation/awssdk/v2_2/FieldMapperTest.java
index 756d09ef61d6..0e8309d6e059 100644
--- a/instrumentation/aws-sdk/aws-sdk-2.2/library/src/test/java/io/opentelemetry/instrumentation/awssdk/v2_2/FieldMapperTest.java
+++ b/instrumentation/aws-sdk/aws-sdk-2.2/library/src/test/java/io/opentelemetry/instrumentation/awssdk/v2_2/FieldMapperTest.java
@@ -16,7 +16,7 @@
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.Map;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import software.amazon.awssdk.services.dynamodb.model.BatchWriteItemRequest;
 import software.amazon.awssdk.services.dynamodb.model.BatchWriteItemResponse;
 import software.amazon.awssdk.services.dynamodb.model.ConsumedCapacity;
@@ -25,11 +25,10 @@
 import software.amazon.awssdk.services.dynamodb.model.UpdateTableRequest;
 import software.amazon.awssdk.services.dynamodb.model.WriteRequest;
 
-public class FieldMapperTest {
+class FieldMapperTest {
 
   @Test
-  public void shouldMapNestedField() {
-
+  void shouldMapNestedField() {
     // given
     AwsSdkRequest awsSdkRequest = UpdateTable;
     MethodHandleFactory methodHandleFactory = new MethodHandleFactory();
@@ -56,8 +55,7 @@ public void shouldMapNestedField() {
   }
 
   @Test
-  public void shouldMapRequestFieldsOnly() {
-
+  void shouldMapRequestFieldsOnly() {
     // given
     AwsSdkRequest awsSdkRequest = BatchWriteItem;
     MethodHandleFactory methodHandleFactory = new MethodHandleFactory();
@@ -76,8 +74,7 @@ public void shouldMapRequestFieldsOnly() {
   }
 
   @Test
-  public void shouldMapResponseFieldsOnly() {
-
+  void shouldMapResponseFieldsOnly() {
     // given
     AwsSdkRequest awsSdkRequest = BatchWriteItem;
     MethodHandleFactory methodHandleFactory = new MethodHandleFactory();
diff --git a/instrumentation/aws-sdk/aws-sdk-2.2/library/src/test/java/io/opentelemetry/instrumentation/awssdk/v2_2/QueryProtocolModelTest.java b/instrumentation/aws-sdk/aws-sdk-2.2/library/src/test/java/io/opentelemetry/instrumentation/awssdk/v2_2/QueryProtocolModelTest.java
index d5ab73e541da..f18f75f5948f 100644
--- a/instrumentation/aws-sdk/aws-sdk-2.2/library/src/test/java/io/opentelemetry/instrumentation/awssdk/v2_2/QueryProtocolModelTest.java
+++ b/instrumentation/aws-sdk/aws-sdk-2.2/library/src/test/java/io/opentelemetry/instrumentation/awssdk/v2_2/QueryProtocolModelTest.java
@@ -12,7 +12,8 @@
 
 class QueryProtocolModelTest extends AbstractQueryProtocolModelTest {
   @RegisterExtension
-  public final LibraryInstrumentationExtension testing = LibraryInstrumentationExtension.create();
+  private static final LibraryInstrumentationExtension testing =
+      LibraryInstrumentationExtension.create();
 
   @Override
   protected ClientOverrideConfiguration.Builder createClientOverrideConfigurationBuilder() {
diff --git a/instrumentation/aws-sdk/aws-sdk-2.2/library/src/test/java/io/opentelemetry/instrumentation/awssdk/v2_2/SerializerTest.java b/instrumentation/aws-sdk/aws-sdk-2.2/library/src/test/java/io/opentelemetry/instrumentation/awssdk/v2_2/SerializerTest.java
index aa267e524041..b2616dcaddc2 100644
--- a/instrumentation/aws-sdk/aws-sdk-2.2/library/src/test/java/io/opentelemetry/instrumentation/awssdk/v2_2/SerializerTest.java
+++ b/instrumentation/aws-sdk/aws-sdk-2.2/library/src/test/java/io/opentelemetry/instrumentation/awssdk/v2_2/SerializerTest.java
@@ -13,14 +13,14 @@
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import software.amazon.awssdk.core.SdkPojo;
 import software.amazon.awssdk.services.dynamodb.model.ProvisionedThroughput;
 
-public class SerializerTest {
+class SerializerTest {
 
   @Test
-  public void shouldSerializeSimpleString() {
+  void shouldSerializeSimpleString() {
     // given
     // when
     String serialized = new Serializer().serialize("simpleString");
@@ -29,7 +29,7 @@ public void shouldSerializeSimpleString() {
   }
 
   @Test
-  public void shouldSerializeSdkPojo() {
+  void shouldSerializeSdkPojo() {
     // given
     SdkPojo sdkPojo =
         ProvisionedThroughput.builder().readCapacityUnits(1L).writeCapacityUnits(2L).build();
@@ -40,7 +40,7 @@ public void shouldSerializeSdkPojo() {
   }
 
   @Test
-  public void shouldSerializeCollection() {
+  void shouldSerializeCollection() {
     // given
     List<String> collection = Arrays.asList("one", "two", "three");
     // when
@@ -50,7 +50,7 @@ public void shouldSerializeCollection() {
   }
 
   @Test
-  public void shouldSerializeEmptyCollectionAsNull() {
+  void shouldSerializeEmptyCollectionAsNull() {
     // given
     List<String> collection = Collections.emptyList();
     // when
@@ -60,7 +60,7 @@ public void shouldSerializeEmptyCollectionAsNull() {
   }
 
   @Test
-  public void shouldSerializeMapAsKeyCollection() {
+  void shouldSerializeMapAsKeyCollection() {
     // given
     Map<String, Object> map = new HashMap<>();
     map.put("uno", 1L);