Fix package tangle in bean override tests

This commit fixes a package tangle between the root bean override
package and its sub-packages. This was vastly improved with the
introduction of `@DummyBean` but we still had a few tests that were
at the wrong place.

spring-test/src/test/java/org/springframework/test/context/bean/override/BeanOverrideContextCustomizerTestUtils.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2002-2024 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.test.context.bean.override;
+
+import java.util.Collections;
+
+import org.springframework.lang.Nullable;
+import org.springframework.test.context.ContextCustomizer;
+
+/**
+ * Test utilities for {@link BeanOverrideContextCustomizer} that are public so
+ * that specific bean override implementations can use them.
+ *
+ * @author Stephane Nicoll
+ */
+public abstract class BeanOverrideContextCustomizerTestUtils {
+
+
+	private static final BeanOverrideContextCustomizerFactory factory = new BeanOverrideContextCustomizerFactory();
+
+	/**
+	 * Create a {@link ContextCustomizer} for the given {@code testClass}. Return
+	 * a customizer to handle any use of {@link BeanOverride} or {@code null} if
+	 * the test class does not use them.
+	 * @param testClass a test class to introspect
+	 * @return a context customizer for bean override support, or null
+	 */
+	@Nullable
+	public static ContextCustomizer createContextCustomizer(Class<?> testClass) {
+		return factory.createContextCustomizer(testClass, Collections.emptyList());
+	}
+
+}

spring-test/src/test/java/org/springframework/test/context/bean/override/convention/TestBeanContextCustomizerEqualityTests.java

@@ -0,0 +1,107 @@
+/*
+ * Copyright 2002-2024 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.test.context.bean.override.convention;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.test.context.ContextCustomizer;
+import org.springframework.test.context.bean.override.BeanOverrideContextCustomizerTestUtils;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests that validate the behavior of {@link TestBean} with the TCF context cache.
+ *
+ * @author Stephane Nicoll
+ */
+class TestBeanContextCustomizerEqualityTests {
+
+	@Test
+	void contextCustomizerWithSameOverrideInDifferentTestClassesIsEqual() {
+		assertThat(createContextCustomizer(Case1.class)).isEqualTo(createContextCustomizer(Case2.class));
+	}
+
+	@Test
+	void contextCustomizerWithDifferentMethodsIsNotEqual() {
+		assertThat(createContextCustomizer(Case1.class)).isNotEqualTo(createContextCustomizer(Case3.class));
+	}
+
+	@Test
+	void contextCustomizerWithByNameVsByTypeLookupIsNotEqual() {
+		assertThat(createContextCustomizer(Case4.class)).isNotEqualTo(createContextCustomizer(Case5.class));
+	}
+
+
+	private ContextCustomizer createContextCustomizer(Class<?> testClass) {
+		ContextCustomizer customizer = BeanOverrideContextCustomizerTestUtils.createContextCustomizer(testClass);
+		assertThat(customizer).isNotNull();
+		return customizer;
+	}
+
+	interface DescriptionProvider {
+
+		static String createDescription() {
+			return "override";
+		}
+
+	}
+
+	static class Case1 implements DescriptionProvider {
+
+		@TestBean(methodName = "createDescription")
+		private String description;
+
+	}
+
+	static class Case2 implements DescriptionProvider {
+
+		@TestBean(methodName = "createDescription")
+		private String description;
+
+	}
+
+	static class Case3 implements DescriptionProvider {
+
+		@TestBean(methodName = "createDescription")
+		private String description;
+
+		static String createDescription() {
+			return "another value";
+		}
+	}
+
+	static class Case4 {
+
+		@TestBean
+		private String description;
+
+		private static String description() {
+			return "overridden";
+		}
+	}
+
+	static class Case5 {
+
+		@TestBean(name = "descriptionBean")
+		private String description;
+
+		private static String description() {
+			return "overridden";
+		}
+	}
+
+}