Merge branch '2.6.x' into 2.7.x

Closes gh-29904

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/kafka/KafkaPropertiesKafka24Tests.java

@@ -1,47 +0,0 @@
-/*
- * Copyright 2012-2021 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.springframework.boot.autoconfigure.kafka;
-
-import org.junit.jupiter.api.Test;
-
-import org.springframework.boot.autoconfigure.kafka.KafkaProperties.IsolationLevel;
-import org.springframework.boot.testsupport.classpath.ClassPathOverrides;
-import org.springframework.test.util.ReflectionTestUtils;
-
-import static org.assertj.core.api.Assertions.assertThat;
-
-/**
- * Tests for {@link KafkaProperties} with Kafka 2.4.
- *
- * @author Stephane Nicoll
- */
-@ClassPathOverrides("org.apache.kafka:kafka-clients:2.4.1")
-class KafkaPropertiesKafka24Tests {
-
-	@SuppressWarnings("rawtypes")
-	@Test
-	void isolationLevelEnumConsistentWithKafkaVersion() throws ClassNotFoundException {
-		Class<?> isolationLevelClass = Class.forName("org.apache.kafka.common.requests.IsolationLevel");
-		Enum[] original = ReflectionTestUtils.invokeMethod(isolationLevelClass, "values");
-		assertThat(original).extracting(Enum::name).containsExactly(IsolationLevel.READ_UNCOMMITTED.name(),
-				IsolationLevel.READ_COMMITTED.name());
-		assertThat(original).extracting("id").containsExactly(IsolationLevel.READ_UNCOMMITTED.id(),
-				IsolationLevel.READ_COMMITTED.id());
-		assertThat(original).hasSize(IsolationLevel.values().length);
-	}
-
-}