Added test for patch #103473: test an unquoted cookie value containing '='

Lib/test/output/test_cookie

@@ -10,6 +10,10 @@ Set-Cookie: chips=ahoy;
 Set-Cookie: keebler="E=mc2; L=\"Loves\"; fudge=\012;";
   keebler 'E=mc2; L="Loves"; fudge=\n;' 'E=mc2; L="Loves"; fudge=\n;'
 Set-Cookie: keebler="E=mc2; L=\"Loves\"; fudge=\012;";
+<SimpleCookie: keebler='E=mc2'>
+Set-Cookie: keebler=E=mc2;
+  keebler 'E=mc2' 'E=mc2'
+Set-Cookie: keebler=E=mc2;
 Set-Cookie: Customer="WILE_E_COYOTE"; Path=/acme;
 
         <SCRIPT LANGUAGE="JavaScript">

Lib/test/test_cookie.py

@@ -10,6 +10,9 @@ cases = [
     ('chips=ahoy; vienna=finger', {'chips':'ahoy', 'vienna':'finger'}),
     ('keebler="E=mc2; L=\\"Loves\\"; fudge=\\012;";',
      {'keebler' : 'E=mc2; L="Loves"; fudge=\012;'}),
+
+    # Check illegal cookies that have an '=' char in an unquoted value
+    ('keebler=E=mc2;', {'keebler' : 'E=mc2'})
     ]
 
 for data, dict in cases: