Polish formatting

Author: philwebb

spring-boot-project/spring-boot-docs/src/docs/asciidoc/features/testing.adoc

@@ -250,18 +250,24 @@ If such test needs access to an `MBeanServer`, consider marking it dirty as well
 
 include::code:MyJmxTests[]
 
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 [[features.testing.spring-boot-applications.metrics]]
 ==== Using Metrics
 Regardless of your classpath, meter registries, except the in-memory backed, are not auto-configured when using `@SpringBootTest`.
 
 If you need to export metrics to a different backend as part of an integration test, annotate it with `@AutoConfigureObservability`.
 
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 [[features.testing.spring-boot-applications.tracing]]
 ==== Using Tracing
 Regardless of your classpath, tracing is not auto-configured when using `@SpringBootTest`.
 
 If you need tracing as part of an integration test, annotate it with `@AutoConfigureObservability`.
 
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 [[features.testing.spring-boot-applications.mocking-beans]]
 ==== Mocking and Spying Beans
 When running tests, it is sometimes necessary to mock certain components within your application context.
@@ -280,7 +286,6 @@ If your test uses one of Spring Boot's test annotations (such as `@SpringBootTes
 To use this feature with a different arrangement, listeners must be explicitly added, as shown in the following example:
 
 include::code:listener/MyTests[]
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 ====
 
 The following example replaces an existing `RemoteService` bean with a mock implementation:
@@ -493,6 +498,7 @@ When a MOCK environment is configured, you can also request an `HttpGraphQlTeste
 include::code:GraphQlIntegrationTests[]
 
 
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 [[features.testing.spring-boot-applications.autoconfigured-spring-data-cassandra]]
 ==== Auto-configured Data Cassandra Tests
 You can use `@DataCassandraTest` to test Cassandra applications.