Elias Rahmani

https://github.com/benwilcock/spring-cloud-stream-demo/blob/fbdadd1b8d30c5f3d42c18e03835474aaa052f29/loancheck/src/main/java/io/pivotal/loancheck/Loan.java#L34-L38 https://github.com/benwilcock/spring-cloud-stream-demo/blob/fbdadd1b8d30c5f3d42c18e03835474aaa052f29/loansource/src/main/java/io/pivotal/loansource/Loan.java#L37-L46 Instead of all checking against all of the `Statuses` enum values, we can easily check the existence of the status with the help of `Statuses.valueOf` which throws `IllegalArgumentException`...

Adding test cases to cover the business logic and also an example of testing stream applications would be a huge plus for this repository