improve test message

beautiful-racket-lib/br/test.rkt

@@ -1,5 +1,8 @@
 #lang racket/base
+(require setup/getinfo racket/runtime-path)
 (provide message)
-(define message "You installed beautiful-racket correctly.")
+(define-runtime-path br-dir "../../beautiful-racket")
+(define gi (get-info/full br-dir))
+(define message (format "You installed beautiful-racket v~a correctly." (gi 'version)))
 (module+ main
-  (displayln message))
+  (displayln message))

beautiful-racket/info.rkt

@@ -1,5 +1,6 @@
 #lang info
 (define collection 'multi)
 
+(define version "1.0")
 (define deps '("base" "sugar" "beautiful-racket-lib" "beautiful-racket-demo" "rackunit-lib" "brag" "br-parser-tools-lib"))
 (define build-deps '("racket-doc"))