Don't require internal class javadoc on test classes (#14281)

Author: laurit

conventions/src/main/kotlin/otel.errorprone-conventions.gradle.kts

@@ -140,6 +140,7 @@ tasks {
         if ((project.path.endsWith(":testing") || name.contains("Test")) && !project.name.equals("custom-checks")) {
           // This check causes too many failures, ignore the ones in tests
           disable("OtelCanIgnoreReturnValueSuggester")
+          disable("OtelInternalJavadoc")
         }
       }
     }

instrumentation/kafka/kafka-clients/kafka-clients-0.11/testing/src/main/java/io/opentelemetry/instrumentation/kafkaclients/common/v0_11/internal/AbstractOpenTelemetryMetricsReporterTest.java

@@ -57,7 +57,6 @@
 import org.testcontainers.kafka.KafkaContainer;
 import org.testcontainers.utility.DockerImageName;
 
-@SuppressWarnings("OtelInternalJavadoc")
 @Testcontainers
 public abstract class AbstractOpenTelemetryMetricsReporterTest {
 

instrumentation/kafka/kafka-clients/kafka-clients-0.11/testing/src/main/java/io/opentelemetry/instrumentation/kafkaclients/common/v0_11/internal/KafkaClientBaseTest.java

@@ -58,7 +58,6 @@
 import org.testcontainers.kafka.KafkaContainer;
 import org.testcontainers.utility.DockerImageName;
 
-@SuppressWarnings("OtelInternalJavadoc")
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
 public abstract class KafkaClientBaseTest {
   private static final Logger logger = LoggerFactory.getLogger(KafkaClientBaseTest.class);

instrumentation/kafka/kafka-clients/kafka-clients-0.11/testing/src/main/java/io/opentelemetry/instrumentation/kafkaclients/common/v0_11/internal/KafkaClientPropagationBaseTest.java

@@ -13,7 +13,6 @@
 import org.apache.kafka.clients.producer.ProducerRecord;
 import org.junit.jupiter.api.Test;
 
-@SuppressWarnings("OtelInternalJavadoc")
 public abstract class KafkaClientPropagationBaseTest extends KafkaClientBaseTest {
   private static final boolean producerPropagationEnabled =
       Boolean.parseBoolean(

instrumentation/kafka/kafka-clients/kafka-clients-0.11/testing/src/main/java/io/opentelemetry/instrumentation/kafkaclients/common/v0_11/internal/KafkaTestUtil.java

@@ -10,7 +10,6 @@
 import org.apache.kafka.clients.consumer.Consumer;
 import org.apache.kafka.clients.consumer.ConsumerRecords;
 
-@SuppressWarnings("OtelInternalJavadoc")
 public class KafkaTestUtil {
   private static final Method consumerPollDurationMethod = getConsumerPollDurationMethod();