Rename test_ file that is really a support file to remove test_ prefix.

I thought I had run the full test suite before the last checkin, but
obviously I didn't.  test_multibytecodec_support.py isn't really a test file,
it is a support file that contains a base test class.  Rename it to
multibytecodec_support so that regrtest test discovery doesn't think it is a
test file that should be run.
diff --git a/Lib/test/test_multibytecodec_support.py b/Lib/test/multibytecodec_support.py
similarity index 99%
rename from Lib/test/test_multibytecodec_support.py
rename to Lib/test/multibytecodec_support.py
index ac3b92b..a2c57ea 100644
--- a/Lib/test/test_multibytecodec_support.py
+++ b/Lib/test/multibytecodec_support.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 #
-# test_multibytecodec_support.py
+# multibytecodec_support.py
 #   Common Unittest Routines for CJK codecs
 #
 
diff --git a/Lib/test/test_codecencodings_cn.py b/Lib/test/test_codecencodings_cn.py
index ee3d165..b08c5fc 100644
--- a/Lib/test/test_codecencodings_cn.py
+++ b/Lib/test/test_codecencodings_cn.py
@@ -5,12 +5,12 @@
 #
 
 from test import support
-from test import test_multibytecodec_support
+from test import multibytecodec_support
 import unittest
 
-class Test_GB2312(test_multibytecodec_support.TestBase, unittest.TestCase):
+class Test_GB2312(multibytecodec_support.TestBase, unittest.TestCase):
     encoding = 'gb2312'
-    tstring = test_multibytecodec_support.load_teststring('gb2312')
+    tstring = multibytecodec_support.load_teststring('gb2312')
     codectests = (
         # invalid bytes
         (b"abc\x81\x81\xc1\xc4", "strict",  None),
@@ -21,9 +21,9 @@
         (b"\xc1\x64", "strict", None),
     )
 
-class Test_GBK(test_multibytecodec_support.TestBase, unittest.TestCase):
+class Test_GBK(multibytecodec_support.TestBase, unittest.TestCase):
     encoding = 'gbk'
-    tstring = test_multibytecodec_support.load_teststring('gbk')
+    tstring = multibytecodec_support.load_teststring('gbk')
     codectests = (
         # invalid bytes
         (b"abc\x80\x80\xc1\xc4", "strict",  None),
@@ -35,9 +35,9 @@
         ("\u30fb", "strict", None),
     )
 
-class Test_GB18030(test_multibytecodec_support.TestBase, unittest.TestCase):
+class Test_GB18030(multibytecodec_support.TestBase, unittest.TestCase):
     encoding = 'gb18030'
-    tstring = test_multibytecodec_support.load_teststring('gb18030')
+    tstring = multibytecodec_support.load_teststring('gb18030')
     codectests = (
         # invalid bytes
         (b"abc\x80\x80\xc1\xc4", "strict",  None),
@@ -53,9 +53,9 @@
     )
     has_iso10646 = True
 
-class Test_HZ(test_multibytecodec_support.TestBase, unittest.TestCase):
+class Test_HZ(multibytecodec_support.TestBase, unittest.TestCase):
     encoding = 'hz'
-    tstring = test_multibytecodec_support.load_teststring('hz')
+    tstring = multibytecodec_support.load_teststring('hz')
     codectests = (
         # test '~\n' (3 lines)
         (b'This sentence is in ASCII.\n'
diff --git a/Lib/test/test_codecencodings_hk.py b/Lib/test/test_codecencodings_hk.py
index 520df43..31363f4 100644
--- a/Lib/test/test_codecencodings_hk.py
+++ b/Lib/test/test_codecencodings_hk.py
@@ -5,12 +5,12 @@
 #
 
 from test import support
-from test import test_multibytecodec_support
+from test import multibytecodec_support
 import unittest
 
-class Test_Big5HKSCS(test_multibytecodec_support.TestBase, unittest.TestCase):
+class Test_Big5HKSCS(multibytecodec_support.TestBase, unittest.TestCase):
     encoding = 'big5hkscs'
-    tstring = test_multibytecodec_support.load_teststring('big5hkscs')
+    tstring = multibytecodec_support.load_teststring('big5hkscs')
     codectests = (
         # invalid bytes
         (b"abc\x80\x80\xc1\xc4", "strict",  None),
diff --git a/Lib/test/test_codecencodings_iso2022.py b/Lib/test/test_codecencodings_iso2022.py
index 8c6e8a5..e4c1839 100644
--- a/Lib/test/test_codecencodings_iso2022.py
+++ b/Lib/test/test_codecencodings_iso2022.py
@@ -3,7 +3,7 @@
 # Codec encoding tests for ISO 2022 encodings.
 
 from test import support
-from test import test_multibytecodec_support
+from test import multibytecodec_support
 import unittest
 
 COMMON_CODEC_TESTS = (
@@ -13,23 +13,23 @@
         (b'ab\x1B$def', 'replace', 'ab\uFFFD'),
     )
 
-class Test_ISO2022_JP(test_multibytecodec_support.TestBase, unittest.TestCase):
+class Test_ISO2022_JP(multibytecodec_support.TestBase, unittest.TestCase):
     encoding = 'iso2022_jp'
-    tstring = test_multibytecodec_support.load_teststring('iso2022_jp')
+    tstring = multibytecodec_support.load_teststring('iso2022_jp')
     codectests = COMMON_CODEC_TESTS + (
         (b'ab\x1BNdef', 'replace', 'ab\x1BNdef'),
     )
 
-class Test_ISO2022_JP2(test_multibytecodec_support.TestBase, unittest.TestCase):
+class Test_ISO2022_JP2(multibytecodec_support.TestBase, unittest.TestCase):
     encoding = 'iso2022_jp_2'
-    tstring = test_multibytecodec_support.load_teststring('iso2022_jp')
+    tstring = multibytecodec_support.load_teststring('iso2022_jp')
     codectests = COMMON_CODEC_TESTS + (
         (b'ab\x1BNdef', 'replace', 'abdef'),
     )
 
-class Test_ISO2022_KR(test_multibytecodec_support.TestBase, unittest.TestCase):
+class Test_ISO2022_KR(multibytecodec_support.TestBase, unittest.TestCase):
     encoding = 'iso2022_kr'
-    tstring = test_multibytecodec_support.load_teststring('iso2022_kr')
+    tstring = multibytecodec_support.load_teststring('iso2022_kr')
     codectests = COMMON_CODEC_TESTS + (
         (b'ab\x1BNdef', 'replace', 'ab\x1BNdef'),
     )
diff --git a/Lib/test/test_codecencodings_jp.py b/Lib/test/test_codecencodings_jp.py
index 87e4812..30c9e19 100644
--- a/Lib/test/test_codecencodings_jp.py
+++ b/Lib/test/test_codecencodings_jp.py
@@ -5,12 +5,12 @@
 #
 
 from test import support
-from test import test_multibytecodec_support
+from test import multibytecodec_support
 import unittest
 
-class Test_CP932(test_multibytecodec_support.TestBase, unittest.TestCase):
+class Test_CP932(multibytecodec_support.TestBase, unittest.TestCase):
     encoding = 'cp932'
-    tstring = test_multibytecodec_support.load_teststring('shift_jis')
+    tstring = multibytecodec_support.load_teststring('shift_jis')
     codectests = (
         # invalid bytes
         (b"abc\x81\x00\x81\x00\x82\x84", "strict",  None),
@@ -41,30 +41,30 @@
     (b"\x8eXY", "replace", "\ufffdXY"),
 )
 
-class Test_EUC_JIS_2004(test_multibytecodec_support.TestBase,
+class Test_EUC_JIS_2004(multibytecodec_support.TestBase,
                         unittest.TestCase):
     encoding = 'euc_jis_2004'
-    tstring = test_multibytecodec_support.load_teststring('euc_jisx0213')
+    tstring = multibytecodec_support.load_teststring('euc_jisx0213')
     codectests = euc_commontests
     xmlcharnametest = (
         "\xab\u211c\xbb = \u2329\u1234\u232a",
         b"\xa9\xa8ℜ\xa9\xb2 = ⟨ሴ⟩"
     )
 
-class Test_EUC_JISX0213(test_multibytecodec_support.TestBase,
+class Test_EUC_JISX0213(multibytecodec_support.TestBase,
                         unittest.TestCase):
     encoding = 'euc_jisx0213'
-    tstring = test_multibytecodec_support.load_teststring('euc_jisx0213')
+    tstring = multibytecodec_support.load_teststring('euc_jisx0213')
     codectests = euc_commontests
     xmlcharnametest = (
         "\xab\u211c\xbb = \u2329\u1234\u232a",
         b"\xa9\xa8ℜ\xa9\xb2 = ⟨ሴ⟩"
     )
 
-class Test_EUC_JP_COMPAT(test_multibytecodec_support.TestBase,
+class Test_EUC_JP_COMPAT(multibytecodec_support.TestBase,
                          unittest.TestCase):
     encoding = 'euc_jp'
-    tstring = test_multibytecodec_support.load_teststring('euc_jp')
+    tstring = multibytecodec_support.load_teststring('euc_jp')
     codectests = euc_commontests + (
         ("\xa5", "strict", b"\x5c"),
         ("\u203e", "strict", b"\x7e"),
@@ -76,9 +76,9 @@
     (b"abc\x80\x80\x82\x84def", "ignore",  "abc\uff44def"),
 )
 
-class Test_SJIS_COMPAT(test_multibytecodec_support.TestBase, unittest.TestCase):
+class Test_SJIS_COMPAT(multibytecodec_support.TestBase, unittest.TestCase):
     encoding = 'shift_jis'
-    tstring = test_multibytecodec_support.load_teststring('shift_jis')
+    tstring = multibytecodec_support.load_teststring('shift_jis')
     codectests = shiftjis_commonenctests + (
         (b"abc\x80\x80\x82\x84", "replace", "abc\ufffd\ufffd\uff44"),
         (b"abc\x80\x80\x82\x84\x88", "replace", "abc\ufffd\ufffd\uff44\ufffd"),
@@ -90,9 +90,9 @@
         (b"abc\xFF\x58", "replace",  "abc\ufffdX"),
     )
 
-class Test_SJIS_2004(test_multibytecodec_support.TestBase, unittest.TestCase):
+class Test_SJIS_2004(multibytecodec_support.TestBase, unittest.TestCase):
     encoding = 'shift_jis_2004'
-    tstring = test_multibytecodec_support.load_teststring('shift_jis')
+    tstring = multibytecodec_support.load_teststring('shift_jis')
     codectests = shiftjis_commonenctests + (
         (b"\\\x7e", "strict", "\xa5\u203e"),
         (b"\x81\x5f\x81\x61\x81\x7c", "strict", "\\\u2016\u2212"),
@@ -108,9 +108,9 @@
         b"\x85Gℜ\x85Q = ⟨ሴ⟩"
     )
 
-class Test_SJISX0213(test_multibytecodec_support.TestBase, unittest.TestCase):
+class Test_SJISX0213(multibytecodec_support.TestBase, unittest.TestCase):
     encoding = 'shift_jisx0213'
-    tstring = test_multibytecodec_support.load_teststring('shift_jisx0213')
+    tstring = multibytecodec_support.load_teststring('shift_jisx0213')
     codectests = shiftjis_commonenctests + (
         (b"abc\x80\x80\x82\x84", "replace", "abc\ufffd\ufffd\uff44"),
         (b"abc\x80\x80\x82\x84\x88", "replace", "abc\ufffd\ufffd\uff44\ufffd"),
diff --git a/Lib/test/test_codecencodings_kr.py b/Lib/test/test_codecencodings_kr.py
index 4997e83..4dd6049 100644
--- a/Lib/test/test_codecencodings_kr.py
+++ b/Lib/test/test_codecencodings_kr.py
@@ -5,12 +5,12 @@
 #
 
 from test import support
-from test import test_multibytecodec_support
+from test import multibytecodec_support
 import unittest
 
-class Test_CP949(test_multibytecodec_support.TestBase, unittest.TestCase):
+class Test_CP949(multibytecodec_support.TestBase, unittest.TestCase):
     encoding = 'cp949'
-    tstring = test_multibytecodec_support.load_teststring('cp949')
+    tstring = multibytecodec_support.load_teststring('cp949')
     codectests = (
         # invalid bytes
         (b"abc\x80\x80\xc1\xc4", "strict",  None),
@@ -20,9 +20,9 @@
         (b"abc\x80\x80\xc1\xc4", "ignore",  "abc\uc894"),
     )
 
-class Test_EUCKR(test_multibytecodec_support.TestBase, unittest.TestCase):
+class Test_EUCKR(multibytecodec_support.TestBase, unittest.TestCase):
     encoding = 'euc_kr'
-    tstring = test_multibytecodec_support.load_teststring('euc_kr')
+    tstring = multibytecodec_support.load_teststring('euc_kr')
     codectests = (
         # invalid bytes
         (b"abc\x80\x80\xc1\xc4", "strict",  None),
@@ -51,9 +51,9 @@
         (b"\xc1\xc4", "strict", "\uc894"),
     )
 
-class Test_JOHAB(test_multibytecodec_support.TestBase, unittest.TestCase):
+class Test_JOHAB(multibytecodec_support.TestBase, unittest.TestCase):
     encoding = 'johab'
-    tstring = test_multibytecodec_support.load_teststring('johab')
+    tstring = multibytecodec_support.load_teststring('johab')
     codectests = (
         # invalid bytes
         (b"abc\x80\x80\xc1\xc4", "strict",  None),
diff --git a/Lib/test/test_codecencodings_tw.py b/Lib/test/test_codecencodings_tw.py
index f2f3c18..96245b7 100644
--- a/Lib/test/test_codecencodings_tw.py
+++ b/Lib/test/test_codecencodings_tw.py
@@ -5,12 +5,12 @@
 #
 
 from test import support
-from test import test_multibytecodec_support
+from test import multibytecodec_support
 import unittest
 
-class Test_Big5(test_multibytecodec_support.TestBase, unittest.TestCase):
+class Test_Big5(multibytecodec_support.TestBase, unittest.TestCase):
     encoding = 'big5'
-    tstring = test_multibytecodec_support.load_teststring('big5')
+    tstring = multibytecodec_support.load_teststring('big5')
     codectests = (
         # invalid bytes
         (b"abc\x80\x80\xc1\xc4", "strict",  None),
diff --git a/Lib/test/test_codecmaps_cn.py b/Lib/test/test_codecmaps_cn.py
index 063919d..1a761cf 100644
--- a/Lib/test/test_codecmaps_cn.py
+++ b/Lib/test/test_codecmaps_cn.py
@@ -5,21 +5,21 @@
 #
 
 from test import support
-from test import test_multibytecodec_support
+from test import multibytecodec_support
 import unittest
 
-class TestGB2312Map(test_multibytecodec_support.TestBase_Mapping,
+class TestGB2312Map(multibytecodec_support.TestBase_Mapping,
                    unittest.TestCase):
     encoding = 'gb2312'
     mapfileurl = 'http://people.freebsd.org/~perky/i18n/EUC-CN.TXT'
 
-class TestGBKMap(test_multibytecodec_support.TestBase_Mapping,
+class TestGBKMap(multibytecodec_support.TestBase_Mapping,
                    unittest.TestCase):
     encoding = 'gbk'
     mapfileurl = 'http://www.unicode.org/Public/MAPPINGS/VENDORS/' \
                  'MICSFT/WINDOWS/CP936.TXT'
 
-class TestGB18030Map(test_multibytecodec_support.TestBase_Mapping,
+class TestGB18030Map(multibytecodec_support.TestBase_Mapping,
                      unittest.TestCase):
     encoding = 'gb18030'
     mapfileurl = 'http://source.icu-project.org/repos/icu/data/' \
diff --git a/Lib/test/test_codecmaps_hk.py b/Lib/test/test_codecmaps_hk.py
index bbe1f2f..5f4e7c7 100644
--- a/Lib/test/test_codecmaps_hk.py
+++ b/Lib/test/test_codecmaps_hk.py
@@ -5,10 +5,10 @@
 #
 
 from test import support
-from test import test_multibytecodec_support
+from test import multibytecodec_support
 import unittest
 
-class TestBig5HKSCSMap(test_multibytecodec_support.TestBase_Mapping,
+class TestBig5HKSCSMap(multibytecodec_support.TestBase_Mapping,
                        unittest.TestCase):
     encoding = 'big5hkscs'
     mapfileurl = 'http://people.freebsd.org/~perky/i18n/BIG5HKSCS-2004.TXT'
diff --git a/Lib/test/test_codecmaps_jp.py b/Lib/test/test_codecmaps_jp.py
index 652bd81..1fdbf63 100644
--- a/Lib/test/test_codecmaps_jp.py
+++ b/Lib/test/test_codecmaps_jp.py
@@ -5,10 +5,10 @@
 #
 
 from test import support
-from test import test_multibytecodec_support
+from test import multibytecodec_support
 import unittest
 
-class TestCP932Map(test_multibytecodec_support.TestBase_Mapping,
+class TestCP932Map(multibytecodec_support.TestBase_Mapping,
                    unittest.TestCase):
     encoding = 'cp932'
     mapfileurl = 'http://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/' \
@@ -24,14 +24,14 @@
         supmaps.append((bytes([i]), chr(i+0xfec0)))
 
 
-class TestEUCJPCOMPATMap(test_multibytecodec_support.TestBase_Mapping,
+class TestEUCJPCOMPATMap(multibytecodec_support.TestBase_Mapping,
                          unittest.TestCase):
     encoding = 'euc_jp'
     mapfilename = 'EUC-JP.TXT'
     mapfileurl = 'http://people.freebsd.org/~perky/i18n/EUC-JP.TXT'
 
 
-class TestSJISCOMPATMap(test_multibytecodec_support.TestBase_Mapping,
+class TestSJISCOMPATMap(multibytecodec_support.TestBase_Mapping,
                         unittest.TestCase):
     encoding = 'shift_jis'
     mapfilename = 'SHIFTJIS.TXT'
@@ -46,14 +46,14 @@
         (b'\x81_', '\\'),
     ]
 
-class TestEUCJISX0213Map(test_multibytecodec_support.TestBase_Mapping,
+class TestEUCJISX0213Map(multibytecodec_support.TestBase_Mapping,
                          unittest.TestCase):
     encoding = 'euc_jisx0213'
     mapfilename = 'EUC-JISX0213.TXT'
     mapfileurl = 'http://people.freebsd.org/~perky/i18n/EUC-JISX0213.TXT'
 
 
-class TestSJISX0213Map(test_multibytecodec_support.TestBase_Mapping,
+class TestSJISX0213Map(multibytecodec_support.TestBase_Mapping,
                        unittest.TestCase):
     encoding = 'shift_jisx0213'
     mapfilename = 'SHIFT_JISX0213.TXT'
diff --git a/Lib/test/test_codecmaps_kr.py b/Lib/test/test_codecmaps_kr.py
index d909c8b..0356402 100644
--- a/Lib/test/test_codecmaps_kr.py
+++ b/Lib/test/test_codecmaps_kr.py
@@ -5,17 +5,17 @@
 #
 
 from test import support
-from test import test_multibytecodec_support
+from test import multibytecodec_support
 import unittest
 
-class TestCP949Map(test_multibytecodec_support.TestBase_Mapping,
+class TestCP949Map(multibytecodec_support.TestBase_Mapping,
                    unittest.TestCase):
     encoding = 'cp949'
     mapfileurl = 'http://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT' \
                  '/WINDOWS/CP949.TXT'
 
 
-class TestEUCKRMap(test_multibytecodec_support.TestBase_Mapping,
+class TestEUCKRMap(multibytecodec_support.TestBase_Mapping,
                    unittest.TestCase):
     encoding = 'euc_kr'
     mapfileurl = 'http://people.freebsd.org/~perky/i18n/EUC-KR.TXT'
@@ -25,7 +25,7 @@
     pass_dectest = [(b'\xa4\xd4', '\u3164')]
 
 
-class TestJOHABMap(test_multibytecodec_support.TestBase_Mapping,
+class TestJOHABMap(multibytecodec_support.TestBase_Mapping,
                    unittest.TestCase):
     encoding = 'johab'
     mapfileurl = 'http://www.unicode.org/Public/MAPPINGS/OBSOLETE/EASTASIA/' \
diff --git a/Lib/test/test_codecmaps_tw.py b/Lib/test/test_codecmaps_tw.py
index 412b9de..44467e3 100644
--- a/Lib/test/test_codecmaps_tw.py
+++ b/Lib/test/test_codecmaps_tw.py
@@ -5,16 +5,16 @@
 #
 
 from test import support
-from test import test_multibytecodec_support
+from test import multibytecodec_support
 import unittest
 
-class TestBIG5Map(test_multibytecodec_support.TestBase_Mapping,
+class TestBIG5Map(multibytecodec_support.TestBase_Mapping,
                   unittest.TestCase):
     encoding = 'big5'
     mapfileurl = 'http://www.unicode.org/Public/MAPPINGS/OBSOLETE/' \
                  'EASTASIA/OTHER/BIG5.TXT'
 
-class TestCP950Map(test_multibytecodec_support.TestBase_Mapping,
+class TestCP950Map(multibytecodec_support.TestBase_Mapping,
                    unittest.TestCase):
     encoding = 'cp950'
     mapfileurl = 'http://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/' \