Add determinism-based scikit-learn tests back

test/test.py

@@ -348,19 +348,16 @@ class TestMiscellaneous(unittest.TestCase):
     def test_scikit_learn_compatibility(self):
         """Test PySRRegressor compatibility with scikit-learn."""
         model = PySRRegressor(
-            max_evals=10000, verbosity=0, progress=False
+            max_evals=10000,
+            verbosity=0,
+            progress=False,
+            random_state=0,
+            deterministic=True,
+            procs=0,
+            multithreading=False,
         )  # Return early.
 
-        # TODO: Add deterministic option so that we can test these.
-        # (would require backend changes, and procs=0 for serialism.)
         check_generator = check_estimator(model, generate_only=True)
-        tests_requiring_determinism = [
-            "check_regressors_int",  # PySR is not deterministic, so fails this.
-            "check_regressor_data_not_an_array",
-            "check_supervised_y_2d",
-            "check_regressors_int",
-            "check_fit_idempotent",
-        ]
         exception_messages = []
         for (_, check) in check_generator:
             try:
@@ -376,29 +373,10 @@ class TestMiscellaneous(unittest.TestCase):
                 print("Passed", check.func.__name__)
             except Exception as e:
                 error_message = str(e)
-                failed_tolerance_check = "Not equal to tolerance" in error_message
-
-                if (
-                    failed_tolerance_check
-                    and check.func.__name__ in tests_requiring_determinism
-                ):
-                    # Skip test as PySR is not deterministic.
-                    print(
-                        "Failed",
-                        check.func.__name__,
-                        "which is an allowed failure, as the test requires determinism.",
-                    )
-                else:
-                    exception_messages.append(
-                        f"{check.func.__name__}: {error_message}\n"
-                    )
-                    print("Failed", check.func.__name__, "with:")
-                    # Add a leading tab to error message, which
-                    # might be multi-line:
-                    print(
-                        "\n".join(
-                            [(" " * 4) + row for row in error_message.split("\n")]
-                        )
-                    )
+                exception_messages.append(f"{check.func.__name__}: {error_message}\n")
+                print("Failed", check.func.__name__, "with:")
+                # Add a leading tab to error message, which
+                # might be multi-line:
+                print("\n".join([(" " * 4) + row for row in error_message.split("\n")]))
         # If any checks failed don't let the test pass.
         self.assertEqual([], exception_messages)