Merge branch '3.3.x'

Closes gh-43053

Author: wilkinsona

spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/mock/mockito/MockitoPostProcessor.java

@@ -336,6 +336,7 @@ protected final Object createSpyIfNecessary(Object bean, String beanName) throws
 		SpyDefinition definition = this.spies.get(beanName);
 		if (definition != null) {
 			bean = definition.createSpy(beanName, bean);
+			this.mockitoBeans.add(bean);
 		}
 		return bean;
 	}

spring-boot-project/spring-boot-test/src/test/java/org/springframework/boot/test/mock/mockito/ResetMocksTestExecutionListenerTests.java

@@ -50,13 +50,17 @@ class ResetMocksTestExecutionListenerTests {
 	@Autowired
 	private ApplicationContext context;
 
+	@SpyBean
+	ToSpy spied;
+
 	@Test
 	void test001() {
 		given(getMock("none").greeting()).willReturn("none");
 		given(getMock("before").greeting()).willReturn("before");
 		given(getMock("after").greeting()).willReturn("after");
 		given(getMock("fromFactoryBean").greeting()).willReturn("fromFactoryBean");
 		assertThat(this.context.getBean(NonSingletonFactoryBean.class).getObjectInvocations).isEqualTo(0);
+		given(this.spied.action()).willReturn("spied");
 	}
 
 	@Test
@@ -66,6 +70,7 @@ void test002() {
 		assertThat(getMock("after").greeting()).isNull();
 		assertThat(getMock("fromFactoryBean").greeting()).isNull();
 		assertThat(this.context.getBean(NonSingletonFactoryBean.class).getObjectInvocations).isEqualTo(0);
+		assertThat(this.spied.action()).isNull();
 	}
 
 	ExampleService getMock(String name) {
@@ -119,6 +124,11 @@ NonSingletonFactoryBean nonSingletonFactoryBean() {
 			return new NonSingletonFactoryBean();
 		}
 
+		@Bean
+		ToSpyFactoryBean toSpyFactoryBean() {
+			return new ToSpyFactoryBean();
+		}
+
 	}
 
 	static class BrokenFactoryBean implements FactoryBean<String> {
@@ -161,6 +171,14 @@ public boolean isSingleton() {
 
 	}
 
+	static class ToSpy {
+
+		String action() {
+			return null;
+		}
+
+	}
+
 	static class NonSingletonFactoryBean implements FactoryBean<ExampleService> {
 
 		private int getObjectInvocations = 0;
@@ -183,4 +201,18 @@ public boolean isSingleton() {
 
 	}
 
+	static class ToSpyFactoryBean implements FactoryBean<ToSpy> {
+
+		@Override
+		public ToSpy getObject() throws Exception {
+			return new ToSpy();
+		}
+
+		@Override
+		public Class<?> getObjectType() {
+			return ToSpy.class;
+		}
+
+	}
+
 }