Corrected expected image path

Author: radarhere

Tests/test_file_png.py

@@ -782,7 +782,7 @@ def test_end_truncated_file(self):
         ImageFile.LOAD_TRUNCATED_IMAGES = True
         try:
             with Image.open("Tests/images/end_trunc_file.png") as im:
-                assert_image_equal_tofile(im, "Tests/images/end_trunc_file.png")
+                assert_image_equal_tofile(im, "Tests/images/hopper.png")
         finally:
             ImageFile.LOAD_TRUNCATED_IMAGES = False