fix errorFilter comment to reflect that we only pass err argument. Re…

…moved setTimeout from retryable tests

lib/retry.js

@@ -23,7 +23,7 @@ import constant from 'lodash/constant';
  *   erroneous result. If it returns `true` the retry attempts will continue;
  *   if the function returns `false` the retry flow is aborted with the current
  *   attempt's error and result being returned to the final callback.
- *   Invoked with (err, result).
+ *   Invoked with (err).
  * * If `opts` is a number, the number specifies the number of times to retry,
  *   with the default interval of `0`.
  * @param {Function} task - A function which receives two arguments: (1) a

mocha_test/retryable.js

@@ -16,9 +16,6 @@ describe('retryable', function () {
             expect(calls).to.equal(3);
             done();
         });
-
-        setTimeout(function () {
-        }, 15);
     });
 
     it('basics with error test function', function (done) {
@@ -40,9 +37,6 @@ describe('retryable', function () {
             expect(calls).to.equal(3);
             done();
         });
-
-        setTimeout(function () {
-        }, 15);
     });
 
     it('should work as an embedded task', function(done) {