[build] Build Windows x86 version with py3.8

and remove redundant tests
:ci skip

Ao-authored by: pukkandan, shirt-dev

test/test_unicode_literals.py.disabled

@@ -0,0 +1,63 @@
+from __future__ import unicode_literals
+
+# Allow direct execution
+import os
+import sys
+import unittest
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+import io
+import re
+
+rootDir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+IGNORED_FILES = [
+    'setup.py',  # http://bugs.python.org/issue13943
+    'conf.py',
+    'buildserver.py',
+]
+
+IGNORED_DIRS = [
+    '.git',
+    '.tox',
+]
+
+from test.helper import assertRegexpMatches
+
+
+class TestUnicodeLiterals(unittest.TestCase):
+    def test_all_files(self):
+        for dirpath, dirnames, filenames in os.walk(rootDir):
+            for ignore_dir in IGNORED_DIRS:
+                if ignore_dir in dirnames:
+                    # If we remove the directory from dirnames os.walk won't
+                    # recurse into it
+                    dirnames.remove(ignore_dir)
+            for basename in filenames:
+                if not basename.endswith('.py'):
+                    continue
+                if basename in IGNORED_FILES:
+                    continue
+
+                fn = os.path.join(dirpath, basename)
+                with io.open(fn, encoding='utf-8') as inf:
+                    code = inf.read()
+
+                if "'" not in code and '"' not in code:
+                    continue
+                assertRegexpMatches(
+                    self,
+                    code,
+                    r'(?:(?:#.*?|\s*)\n)*from __future__ import (?:[a-z_]+,\s*)*unicode_literals',
+                    'unicode_literals import  missing in %s' % fn)
+
+                m = re.search(r'(?<=\s)u[\'"](?!\)|,|$)', code)
+                if m is not None:
+                    self.assertTrue(
+                        m is None,
+                        'u present in %s, around %s' % (
+                            fn, code[m.start() - 10:m.end() + 10]))
+
+
+if __name__ == '__main__':
+    unittest.main()