Rename internal MockitoBeans class to MockBeans

This is a prerequisite for gh-33925 which will introduce a public
@MockitoBeans container annotation in the same package.

spring-test/src/main/java/org/springframework/test/context/bean/override/mockito/AbstractMockitoBeanOverrideHandler.java

@@ -56,20 +56,20 @@ abstract class AbstractMockitoBeanOverrideHandler extends BeanOverrideHandler {
 
 	@Override
 	protected void trackOverrideInstance(Object mock, SingletonBeanRegistry trackingBeanRegistry) {
-		getMockitoBeans(trackingBeanRegistry).add(mock);
+		getMockBeans(trackingBeanRegistry).add(mock);
 	}
 
-	private static MockitoBeans getMockitoBeans(SingletonBeanRegistry trackingBeanRegistry) {
-		String beanName = MockitoBeans.class.getName();
-		MockitoBeans mockitoBeans = null;
+	private static MockBeans getMockBeans(SingletonBeanRegistry trackingBeanRegistry) {
+		String beanName = MockBeans.class.getName();
+		MockBeans mockBeans = null;
 		if (trackingBeanRegistry.containsSingleton(beanName)) {
-			mockitoBeans = (MockitoBeans) trackingBeanRegistry.getSingleton(beanName);
+			mockBeans = (MockBeans) trackingBeanRegistry.getSingleton(beanName);
 		}
-		if (mockitoBeans == null) {
-			mockitoBeans = new MockitoBeans();
-			trackingBeanRegistry.registerSingleton(beanName, mockitoBeans);
+		if (mockBeans == null) {
+			mockBeans = new MockBeans();
+			trackingBeanRegistry.registerSingleton(beanName, mockBeans);
 		}
-		return mockitoBeans;
+		return mockBeans;
 	}
 
 	@Override

spring-test/src/main/java/org/springframework/test/context/bean/override/mockito/MockBeans.java

@@ -28,7 +28,7 @@ import org.mockito.Mockito;
  * @author Sam Brannen
  * @since 6.2
  */
-class MockitoBeans {
+class MockBeans {
 
 	private final List<Object> beans = new ArrayList<>();
 

spring-test/src/main/java/org/springframework/test/context/bean/override/mockito/MockitoResetTestExecutionListener.java

@@ -116,7 +116,7 @@ public class MockitoResetTestExecutionListener extends AbstractTestExecutionList
 			}
 		}
 		try {
-			beanFactory.getBean(MockitoBeans.class).resetAll(reset);
+			beanFactory.getBean(MockBeans.class).resetAll(reset);
 		}
 		catch (NoSuchBeanDefinitionException ex) {
 			// Continue