Add test for DaemonMode

test/test.py

@@ -69,18 +69,21 @@ class TestPipeline(unittest.TestCase):
             best_callable()[1](self.X), self.X[:, 1] ** 2, decimal=4
         )
 
-    def test_empty_operators_single_input(self):
-        X = np.random.randn(100, 1)
-        y = X[:, 0] + 3.0
-        equations = pysr(
-            X,
-            y,
-            unary_operators=[],
-            binary_operators=["plus"],
-            **self.default_test_kwargs,
-        )
-
-        self.assertLessEqual(equations.iloc[-1]["MSE"], 1e-4)
+    def test_empty_operators_single_input_daemon(self):
+        for i in range(2):
+            np.random.seed(i)
+            X = np.random.randn(100, 1)
+            y = X[:, 0] + 3.0
+            equations = pysr(
+                X,
+                y,
+                unary_operators=[],
+                binary_operators=["plus"],
+                **self.default_test_kwargs,
+                daemon_mode=True,
+            )
+
+            self.assertLessEqual(equations.iloc[-1]["MSE"], 1e-4)
 
     def test_noisy(self):