diff --git a/test/.gitattributes b/test/.gitattributes
index d72fd52..d665251 100644
--- a/test/.gitattributes
+++ b/test/.gitattributes
@@ -1 +1,2 @@
 *.pdf binary
+*.woff binary
diff --git a/test/browser_tests.py b/test/browser_tests.py
index ea2ded6..49ab339 100644
--- a/test/browser_tests.py
+++ b/test/browser_tests.py
@@ -1,6 +1,5 @@
 #!/usr/bin/env python
 
-import unittest
 import os
 import subprocess
 import shutil
@@ -9,11 +8,9 @@ from PIL import Image, ImageChops
 from test import Common
 
 class BrowserTests(Common):
-    TTFAUTOHINT = 'ttfautohint'
     TEST_DATA_DIR = os.path.join(Common.TEST_DIR, 'browser_tests')
 
     DEFAULT_PDF2HTMLEX_ARGS = [
-        '--external-hint-tool', 'ttfautohint',
         '--fit-width', 800,
         '--last-page', 1,
         '--correct-text-visibility', 1,
@@ -25,8 +22,7 @@ class BrowserTests(Common):
 
     @classmethod
     def setUpClass(cls):
-        exit_code = subprocess.call([cls.TTFAUTOHINT, '--version'])
-        assert (exit_code == 0), 'Cannot execute ' + cls.TTFAUTOHINT
+        pass
 
     @classmethod
     def tearDownClass(cls):
@@ -75,7 +71,7 @@ class BrowserTests(Common):
             if self.SAVE_TMP:
                 # save the diff image
                 # http://stackoverflow.com/questions/15721484/saving-in-png-using-pil-library-after-taking-imagechops-difference-of-two-png
-                diff_img.convert('RGB').save(os.path.join(png_out_dir, basefilename + '.diff.png'))
+                diff_img.crop(diff_img.getbbox()).convert('RGB').save(os.path.join(png_out_dir, basefilename + '.diff.png'))
             self.fail('PNG files differ')
 
     def test_basic_text(self):
diff --git a/test/browser_tests/basic_text/f1.woff b/test/browser_tests/basic_text/f1.woff
index e021d44..dee7df4 100644
Binary files a/test/browser_tests/basic_text/f1.woff and b/test/browser_tests/basic_text/f1.woff differ
diff --git a/test/browser_tests/basic_text/f2.woff b/test/browser_tests/basic_text/f2.woff
index 749ebec..6d5c3ad 100644
Binary files a/test/browser_tests/basic_text/f2.woff and b/test/browser_tests/basic_text/f2.woff differ
diff --git a/test/browser_tests/geneve_1564/f1.woff b/test/browser_tests/geneve_1564/f1.woff
index 0d5ac60..583c20a 100644
Binary files a/test/browser_tests/geneve_1564/f1.woff and b/test/browser_tests/geneve_1564/f1.woff differ
diff --git a/test/browser_tests/geneve_1564/f2.woff b/test/browser_tests/geneve_1564/f2.woff
index 1df880c..c5d9e6b 100644
Binary files a/test/browser_tests/geneve_1564/f2.woff and b/test/browser_tests/geneve_1564/f2.woff differ
diff --git a/test/browser_tests/text_visibility/f1.woff b/test/browser_tests/text_visibility/f1.woff
index ae656c4..2d60456 100644
Binary files a/test/browser_tests/text_visibility/f1.woff and b/test/browser_tests/text_visibility/f1.woff differ
diff --git a/test/browser_tests/text_visibility/f2.woff b/test/browser_tests/text_visibility/f2.woff
index 6ec5264..9a9023d 100644
Binary files a/test/browser_tests/text_visibility/f2.woff and b/test/browser_tests/text_visibility/f2.woff differ
diff --git a/test/test_local_browser.py b/test/test_local_browser.py
index 7f4f373..a9cd762 100755
--- a/test/test_local_browser.py
+++ b/test/test_local_browser.py
@@ -1,11 +1,7 @@
 #!/usr/bin/env python
 
 import unittest
-import os
-import subprocess
-import shutil
 
-from PIL import Image, ImageChops
 from selenium import webdriver
 from browser_tests import BrowserTests