Consistent assertions for supplier-based bean definition tests

spring-context/src/test/java/org/springframework/context/annotation/AnnotationConfigApplicationContextTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 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.
@@ -336,6 +336,8 @@ class AnnotationConfigApplicationContextTests {
 
 		assertThat(context.getType("fb")).isEqualTo(String.class);
 		assertThat(context.getType("&fb")).isEqualTo(NonInstantiatedFactoryBean.class);
+		assertThat(context.getBeanNamesForType(FactoryBean.class)).hasSize(1);
+		assertThat(context.getBeanNamesForType(NonInstantiatedFactoryBean.class)).hasSize(1);
 	}
 
 	@Test