Remove .isolated file rewriting.

scripts/slave/unittests/runisolatedtest_test.py

Index: scripts/slave/unittests/runisolatedtest_test.py
diff --git a/scripts/slave/unittests/runisolatedtest_test.py b/scripts/slave/unittests/runisolatedtest_test.py
index f12cb654aa5f7c36144aa527121a55466c3203da..db67906e47160e654445b0da8ea5780e171f3880 100755
--- a/scripts/slave/unittests/runisolatedtest_test.py
+++ b/scripts/slave/unittests/runisolatedtest_test.py
@@ -87,15 +87,17 @@ class TestAll(unittest.TestCase):
     res = runisolatedtest.main(sample_line)
 
     expected_data = {
-      'version': '1.0',
-      'command': [ '../testing/test_env.py',
-                   r'..\out\Release/browser_test.exe'],
-      'files': { r'out\Release\testdata': {} },
-      'variables' : {
-        'EXECUTABLE_SUFFIX' : '.exe',
-        'OS' : 'win',
-        'PRODUCT_DIR' : '../out/Release'
+      u'command': [
+        u'../testing/test_env.py',
+        u'..\\build\\Release/browser_test.exe',
+      ],
+      u'files': { u'build\\Release\\testdata': {} },
+      u'variables' : {
+        u'EXECUTABLE_SUFFIX' : u'.exe',
+        u'OS' : u'win',
+        u'PRODUCT_DIR' : u'../build/Release'
       },
+      u'version': u'1.0',
     }
     with open(isolated) as f:
       converted_data = json.load(f)
@@ -107,4 +109,6 @@ class TestAll(unittest.TestCase):
 
 
 if __name__ == '__main__':
+  if '-v' in sys.argv:
+    unittest.TestCase.maxDiff = None
   unittest.main()