Remove unnecessary return statement, and comma from ClosedSplineCurve3 test

test/unit/extras/curves/ClosedSplineCurve3.js

@@ -21,7 +21,6 @@ function vectorsAreEqual( check, that ) {
 		}
 	}
 
-	return;
 }
 
 test( "basic check", function() {
@@ -54,4 +53,4 @@ test( "basic check", function() {
 	var desc = error ? ' ' + error : '';
 	ok( !error, 'Lists of Vectors3 should be equal.' + desc );
 
-});
+});