Update charted to 0.4.8 and roll

packages/quiver/test/iterables/partition_test.dart

 // Copyright 2014 Google Inc. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 26 matching lines @@
     });
 
     test('should return one partition if partition size == input size', () {
       var it = partition([1, 2, 3, 4, 5], 5).iterator;
       expect(it.moveNext(), isTrue);
       expect(it.current, equals([1, 2, 3, 4, 5]));
       expect(it.moveNext(), isFalse);
       expect(it.current, isNull);
     });
 
-    test('should return partitions of correct size if '
+    test(
+        'should return partitions of correct size if '
         'partition size > input size', () {
       var it = partition([1, 2, 3, 4, 5], 3).iterator;
       expect(it.moveNext(), isTrue);
       expect(it.current, equals([1, 2, 3]));
       expect(it.moveNext(), isTrue);
       expect(it.current, equals([4, 5]));
       expect(it.moveNext(), isFalse);
       expect(it.current, isNull);
     });
   });
 }