abcl: test added

Closes Homebrew/homebrew#37081.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Formula/abcl.rb

@@ -1,10 +1,9 @@
-require "formula"
-
 class Abcl < Formula
   homepage "http://abcl.org"
   url "http://abcl.org/releases/1.3.1/abcl-bin-1.3.1.tar.gz"
   sha1 "7abb22130acfbca9d01c413da9c98a6aa078c78b"
 
+  depends_on :java => "1.5+"
   depends_on "rlwrap"
 
   def install
@@ -14,4 +13,8 @@ class Abcl < Formula
       rlwrap java -jar "#{libexec}/abcl.jar" "$@"
     EOS
   end
+
+  test do
+    assert_match "42", pipe_output("#{bin}/abcl", "(+ 1 1 40)")
+  end
 end