Speed up limitInputPixels test case

Update changelog

docs/changelog.md

@@ -4,6 +4,14 @@
 
 Requires libvips v8.2.3
 
+#### v0.14.1 - TBC
+
+* Allow removal of limitation on input pixel count via limitInputPixels. Use with care.
+  [#250](https://github.com/lovell/sharp/issues/250)
+  [#316](https://github.com/lovell/sharp/pull/316)
+  [@anandthakker](https://github.com/anandthakker)
+  [@kentongray](https://github.com/kentongray)
+
 #### v0.14.0 - 2<sup>nd</sup> April 2016
 
 * Add ability to extend (pad) the edges of an image.

test/unit/io.js

@@ -879,6 +879,7 @@ describe('Input/output', function() {
     it('Disabling limit works', function(done) {
       sharp(fixtures.inputPngLarge)
         .limitInputPixels(false)
+        .resize(2)
         .toBuffer(function(err) {
           assert.strictEqual(true, !err);
           done();