diff --git a/Gruntfile.js b/Gruntfile.js
index <HASH>..<HASH> 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -71,7 +71,8 @@ module.exports = function(grunt) {
           'tmp/compress_mangle_beautify.js': ['test/fixtures/src/simple.js']
         },
         options: {
-          beautify: true
+          beautify: true,
+          footer: '\n// This is a footer.'
         }
       },
       enclose: {
diff --git a/test/fixtures/expected/compress_mangle_beautify.js b/test/fixtures/expected/compress_mangle_beautify.js
index <HASH>..<HASH> 100644
--- a/test/fixtures/expected/compress_mangle_beautify.js
+++ b/test/fixtures/expected/compress_mangle_beautify.js
@@ -2,4 +2,5 @@ function longFunctionC(a, b) {
     return longNameA + longNameB + a + b;
 }
 
-var longNameA = 1, longNameB = 2, result = longFunctionC(3, 4);
\ No newline at end of file
+var longNameA = 1, longNameB = 2, result = longFunctionC(3, 4);
+// This is a footer.
\ No newline at end of file
Includes the footer option in the unit tests

Fixes #<I>