Make editorial changes to appendix-test-auto-configuration.adoc

Closes gh-10876

Author: Jay Bryant

spring-boot-project/spring-boot-docs/src/main/asciidoc/appendix-test-auto-configuration.adoc

@@ -1,7 +1,7 @@
 [appendix]
 [[test-auto-configuration]]
 == Test auto-configuration annotations
-Here is a table of the various `@…Test` annotations that can be used to test
+The following table lists the various `@…Test` annotations that can be used to test
 slices of your application and the auto-configuration that they import by default:
 
 include::../../../target/generated-resources/test-slice-auto-configuration.adoc[]