Retry-After is returned in seconds, not ms (#862)

Author: benvinegar

src/raven.js

@@ -1368,7 +1368,7 @@ Raven.prototype = {
             // If Retry-After is not in Access-Control-Expose-Headers, most
             // browsers will throw an exception trying to access it
             retry = request.getResponseHeader('Retry-After');
-            retry = parseInt(retry, 10);
+            retry = parseInt(retry, 10) * 1000; // Retry-After is returned in seconds
         } catch (e) {
             /* eslint no-empty:0 */
         }

test/raven.test.js

@@ -1207,12 +1207,12 @@ describe('globals', function() {
             var mockError = new Error('401: Unauthorized');
             mockError.request = {
                 status: 401,
-                getResponseHeader: sinon.stub().withArgs('Retry-After').returns('1337')
+                getResponseHeader: sinon.stub().withArgs('Retry-After').returns('2')
             };
             opts.onError(mockError);
 
             assert.equal(Raven._backoffStart, 100); // clock is at 100ms
-            assert.equal(Raven._backoffDuration, 1337); // converted to int
+            assert.equal(Raven._backoffDuration, 2000); // converted to ms, int
         });
 
         it('should reset backoffDuration and backoffStart if onSuccess is fired (200)', function () {