Remove have_unicode checks and merge those tests into the
normal code (or drop them if they only repeat previous
tests).
diff --git a/Lib/test/test_contains.py b/Lib/test/test_contains.py
index f3287bf..7cae480 100644
--- a/Lib/test/test_contains.py
+++ b/Lib/test/test_contains.py
@@ -1,4 +1,4 @@
-from test.test_support import TestFailed, have_unicode
+from test.test_support import TestFailed
 
 class base_set:
 
@@ -55,36 +55,6 @@
     pass
 
 
-if have_unicode:
-
-    # Test char in Unicode
-
-    check('c' in str('abc'), "'c' not in u'abc'")
-    check('d' not in str('abc'), "'d' in u'abc'")
-
-    check('' in str(''), "'' not in u''")
-    check(str('') in '', "u'' not in ''")
-    check(str('') in str(''), "u'' not in u''")
-    check('' in str('abc'), "'' not in u'abc'")
-    check(str('') in 'abc', "u'' not in 'abc'")
-    check(str('') in str('abc'), "u'' not in u'abc'")
-
-    try:
-        None in str('abc')
-        check(0, "None in u'abc' did not raise error")
-    except TypeError:
-        pass
-
-    # Test Unicode char in Unicode
-
-    check(str('c') in str('abc'), "u'c' not in u'abc'")
-    check(str('d') not in str('abc'), "u'd' in u'abc'")
-
-    # Test Unicode char in string
-
-    check(str('c') in 'abc', "u'c' not in 'abc'")
-    check(str('d') not in 'abc', "u'd' in 'abc'")
-
 # A collection of tests on builtin sequence types
 a = list(range(10))
 for i in a: