diff --git a/Lib/test/test_dis.py b/Lib/test/test_dis.py
index 337ee3bbb05136..211c0d92a08fd1 100644
--- a/Lib/test/test_dis.py
+++ b/Lib/test/test_dis.py
@@ -1261,27 +1261,6 @@ def test_super_instructions(self):
         got = self.get_disassembly(load_test, adaptive=True)
         self.do_disassembly_compare(got, dis_load_test_quickened_code)
 
-    @cpython_only
-    @requires_specialization_ft
-    def test_binary_specialize(self):
-        binary_op_quicken = """\
-  0           RESUME_CHECK             0
-
-  1           LOAD_NAME                0 (a)
-              LOAD_NAME                1 (b)
-              %s
-              RETURN_VALUE
-"""
-        co_int = compile('a + b', "<int>", "eval")
-        self.code_quicken(lambda: exec(co_int, {}, {'a': 1, 'b': 2}))
-        got = self.get_disassembly(co_int, adaptive=True)
-        self.do_disassembly_compare(got, binary_op_quicken % "BINARY_OP_ADD_INT        0 (+)")
-
-        co_unicode = compile('a + b', "<unicode>", "eval")
-        self.code_quicken(lambda: exec(co_unicode, {}, {'a': 'a', 'b': 'b'}))
-        got = self.get_disassembly(co_unicode, adaptive=True)
-        self.do_disassembly_compare(got, binary_op_quicken % "BINARY_OP_ADD_UNICODE    0 (+)")
-
     @cpython_only
     @requires_specialization
     def test_binary_subscr_specialize(self):
@@ -1335,27 +1314,6 @@ def test_call_specialize(self):
         got = self.get_disassembly(co, adaptive=True)
         self.do_disassembly_compare(got, call_quicken)
 
-    @cpython_only
-    @requires_specialization_ft
-    def test_contains_specialize(self):
-        contains_op_quicken = """\
-  0           RESUME_CHECK             0
-
-  1           LOAD_NAME                0 (a)
-              LOAD_NAME                1 (b)
-              %s
-              RETURN_VALUE
-"""
-        co_dict = compile('a in b', "<dict>", "eval")
-        self.code_quicken(lambda: exec(co_dict, {}, {'a': 1, 'b': {1: 5}}))
-        got = self.get_disassembly(co_dict, adaptive=True)
-        self.do_disassembly_compare(got, contains_op_quicken % "CONTAINS_OP_DICT         0 (in)")
-
-        co_set = compile('a in b', "<set>", "eval")
-        self.code_quicken(lambda: exec(co_set, {}, {'a': 1.0, 'b': {1, 2, 3}}))
-        got = self.get_disassembly(co_set, adaptive=True)
-        self.do_disassembly_compare(got, contains_op_quicken % "CONTAINS_OP_SET          0 (in)")
-
     @cpython_only
     @requires_specialization
     def test_loop_quicken(self):
diff --git a/Lib/test/test_opcache.py b/Lib/test/test_opcache.py
index cdcddb0d717f23..dd5aa1a3e4a5b0 100644
--- a/Lib/test/test_opcache.py
+++ b/Lib/test/test_opcache.py
@@ -4,7 +4,9 @@
 import threading
 import types
 import unittest
-from test.support import threading_helper, check_impl_detail, requires_specialization
+from test.support import (threading_helper, check_impl_detail,
+                          requires_specialization, requires_specialization_ft,
+                          cpython_only)
 from test.support.import_helper import import_module
 
 # Skip this module on other interpreters, it is cpython specific:
@@ -1200,5 +1202,49 @@ def f(o, n):
         self.assertEqual(test_obj.b, 0)
 
 
+class TestSpecializer(TestBase):
+
+    @cpython_only
+    @requires_specialization_ft
+    def test_binary_op(self):
+        def f():
+            a, b = 1, 2
+            for _ in range(100):
+                c = a + b
+                self.assertEqual(c, 3)
+
+        f()
+        self.assert_specialized(f, "BINARY_OP_ADD_INT")
+
+        def g():
+            a, b = "foo", "bar"
+            for _ in range(100):
+                c = a + b
+                self.assertEqual(c, "foobar")
+
+        g()
+        self.assert_specialized(g, "BINARY_OP_ADD_UNICODE")
+
+    @cpython_only
+    @requires_specialization_ft
+    def test_contain_op(self):
+        def f():
+            a, b = 1, {1: 2, 2: 5}
+            for _ in range(100):
+                self.assertTrue(a in b)
+
+        f()
+        self.assert_specialized(f, "CONTAINS_OP_DICT")
+
+        def g():
+            a, b = 1, {1, 2}
+            for _ in range(100):
+                self.assertTrue(a in b)
+
+        g()
+        self.assert_specialized(g, "CONTAINS_OP_SET")
+
+
+
 if __name__ == "__main__":
     unittest.main()