It’s a bird, it’s a plane — it’s Buzz! Giant balloons of four new animated character that will be featured in the 99th Macy’s Thanksgiving Day Parade took a test run above MetLife Stadium Saturday. Pixar Animation Studios’ “Toy Story” star Buzz Lightyear was flying high in East Rutherford in his signature lime green, purple and white space suit — ready to make the 2.5-mile parade route on Thanksgiving Day that ends at Macy’s Herald Square.  Pac-Man, based on the Bandai Namco classic 1980 arcade