[ci skip] Fix test case name

Author: TimvdLippe

test/unit/path-effects.html

@@ -498,7 +498,7 @@
     assert.equal(el.$.boundChild.arrayLength, el.data.length);
   });
 
-  test('splice correctly deletes length', function() {
+  test('splice correctly deletes full array if only 1 argument is passed in', function() {
     el.data = [1,2,3];
     assert.equal(el.data.length, 3);
     el.splice('data', 0);