Fixed README generation and polished few tests

README.adoc

@@ -45,9 +45,12 @@ https://www.reactive-streams.org/[Reactive Streams] `Publisher` from
 https://projectreactor.io/[Project Reactor]. The function can be
 accessed over HTTP or messaging.
 
-*Features*
+Spring Cloud Function has 4 main features:
 
 In the nutshell Spring Cloud Function provides the following features:
+1. Wrappers for `@Beans` of type `Function`, `Consumer` and
+`Supplier`, exposing them to the outside world as either HTTP
+endpoints and/or message stream listeners/publishers with RabbitMQ, Kafka etc.
 
 * _Choice of programming styles - reactive, imperative or hybrid._
 * _Function composition and adaptation (e.g., composing imperative functions with reactive)._
@@ -391,4 +394,4 @@ Go to `File` -> `Settings` -> `Other settings` -> `Checkstyle`. There click on t
 - `checkstyle.suppressions.file` - default suppressions. Please point it to the Spring Cloud Build's, `spring-cloud-build-tools/src/checkstyle/checkstyle-suppressions.xml` file either in your cloned repo or via the `https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/spring-cloud-build-tools/src/checkstyle/checkstyle-suppressions.xml` URL.
 - `checkstyle.additional.suppressions.file` - this variable corresponds to suppressions in your local project. E.g. you're working on `spring-cloud-contract`. Then point to the `project-root/src/checkstyle/checkstyle-suppressions.xml` folder. Example for `spring-cloud-contract` would be: `/home/username/spring-cloud-contract/src/checkstyle/checkstyle-suppressions.xml`.
 
-IMPORTANT: Remember to set the `Scan Scope` to `All sources` since we apply checkstyle rules for production and test sources.
+IMPORTANT: Remember to set the `Scan Scope` to `All sources` since we apply checkstyle rules for production and test sources.