fix test_tunable_variable (#41268)

python/paddle/fluid/tests/unittests/auto_parallel/test_tunable_variable.py

@@ -76,7 +76,7 @@ class TestTunableVariable(unittest.TestCase):
             "float_range", start=0.4, stop=4.4, default=2.0)
         float_range = tv.FloatRange.from_state(float_range.get_state())
         self.assertEqual(float_range.default, 2.0)
-        self.assertGreater(float_range.random(), 0.4)
+        self.assertGreaterEqual(float_range.random(), 0.4)
         self.assertLess(float_range.random(1234), 4.4)
         self.assertNotAlmostEqual(float_range.random(), 1)
         self.assertNotAlmostEqual(float_range.random(), 4.4)
@@ -90,7 +90,7 @@ class TestTunableVariable(unittest.TestCase):
             endpoint=True)
         float_range = tv.FloatRange.from_state(float_range.get_state())
         self.assertEqual(float_range.default, 3.0)
-        self.assertGreater(float_range.random(), 0.4)
+        self.assertGreaterEqual(float_range.random(), 0.4)
         self.assertLessEqual(float_range.random(1234), 8.4)
         self.assertNotAlmostEqual(float_range.random(), 2)