diff --git a/tests/adapters/test_regrid.py b/tests/adapters/test_regrid.py
index 49f0b5421685b2069cc060cf1003d960aade4098..e201360264f0381df3c626f3e9bd93fa8f7211c0 100644
--- a/tests/adapters/test_regrid.py
+++ b/tests/adapters/test_regrid.py
@@ -61,7 +61,7 @@ class TestRegrid(unittest.TestCase):
 
         (source.outputs["Output"] >> RegridNearest() >> sink.inputs["Input"])
 
-        composition.run(end_time=datetime(2000, 1, 5))
+        composition.connect()
 
         self.assertEqual(sink.inputs["Input"].info.grid, out_spec)
         self.assertEqual(sink.data["Input"][0, 0, 0], 1.0 * UNITS.meter)
@@ -114,7 +114,7 @@ class TestRegrid(unittest.TestCase):
 
         (source.outputs["Output"] >> RegridNearest() >> sink.inputs["Input"])
 
-        composition.run(end_time=datetime(2000, 1, 2))
+        composition.connect()
 
         self.assertEqual(sink.inputs["Input"].info.grid, out_spec)
         self.assertEqual(sink.data["Input"][0, 0, 0], 1.0 * UNITS.meter)
@@ -158,7 +158,7 @@ class TestRegrid(unittest.TestCase):
 
         (source.outputs["Output"] >> RegridLinear() >> sink.inputs["Input"])
 
-        composition.run(end_time=datetime(2000, 1, 2))
+        composition.connect()
 
         self.assertEqual(sink.inputs["Input"].info.grid, out_spec)
         self.assertEqual(sink.data["Input"][0, 0, 0], 1.0 * UNITS.meter)
@@ -206,7 +206,7 @@ class TestRegrid(unittest.TestCase):
             >> sink.inputs["Input"]
         )
 
-        composition.run(end_time=datetime(2000, 1, 2))
+        composition.connect()
 
         self.assertEqual(sink.inputs["Input"].info.grid, out_spec)
         self.assertAlmostEqual(fdata.get_magnitude(sink.data["Input"])[0, 0, 0], 1.0)
@@ -251,7 +251,7 @@ class TestRegrid(unittest.TestCase):
             >> sink.inputs["Input"]
         )
 
-        composition.run(end_time=datetime(2000, 1, 2))
+        composition.connect()
 
         self.assertEqual(sink.inputs["Input"].info.grid, out_spec)
         self.assertEqual(sink.data["Input"][0, 0, 0], 1.0 * UNITS.meter)
@@ -291,7 +291,7 @@ class TestRegrid(unittest.TestCase):
 
         (source.outputs["Output"] >> RegridLinear() >> sink.inputs["Input"])
 
-        composition.run(end_time=datetime(2000, 1, 2))
+        composition.connect()
 
         self.assertEqual(sink.inputs["Input"].info.grid, out_spec)
         self.assertEqual(sink.data["Input"][0, 0, 0], 1.0 * UNITS.meter)
@@ -340,7 +340,7 @@ class TestRegrid(unittest.TestCase):
         regrid >> sink_1.inputs["Input"]
         regrid >> sink_2.inputs["Input"]
 
-        composition.run(end_time=datetime(2000, 1, 2))
+        composition.connect()
 
         self.assertEqual(sink_1.inputs["Input"].info.grid, out_spec_1)
         self.assertEqual(sink_1.data["Input"][0, 0, 0], 1.0 * UNITS.meter)
@@ -448,7 +448,7 @@ class TestRegrid(unittest.TestCase):
             >> sink.inputs["Input"]
         )
 
-        composition.run(end_time=datetime(2000, 1, 2))
+        composition.connect()
 
         self.assertEqual(sink.inputs["Input"].info.grid, out_spec)
         self.assertEqual(sink.data["Input"][0, 0], 1.0 * UNITS.meter)
diff --git a/tests/core/test_schedule.py b/tests/core/test_schedule.py
index ad7d5ae80e085b30b2d5dbc8088c227bf3bb5081..d81dab5db6d0e04f952fdc9f612e91891e127566 100644
--- a/tests/core/test_schedule.py
+++ b/tests/core/test_schedule.py
@@ -160,8 +160,8 @@ class MockupCircularComponent(TimeComponent):
         pass
 
     def _update(self):
-        pulled = self.inputs["Input"].pull_data(self.time)
         self._time += self._step
+        pulled = self.inputs["Input"].pull_data(self.time)
         self.outputs["Output"].push_data(
             tools.get_data(tools.strip_time(pulled)), self.time
         )
diff --git a/tests/core/test_sdk.py b/tests/core/test_sdk.py
index 7da839fe3802190c3b855d07fda0bd5128ccf00b..86f9f471f57934b4c8868e7bbfadcebd4064bfaa 100644
--- a/tests/core/test_sdk.py
+++ b/tests/core/test_sdk.py
@@ -184,7 +184,7 @@ class TestOutput(unittest.TestCase):
         with self.assertRaises(FinamNoDataError):
             out.push_data(100, t)
 
-        self._out_infos_exchanged = 1
+        out._out_infos_exchanged = 1
 
         out.get_info(info)
 
@@ -374,11 +374,8 @@ class TestOutput(unittest.TestCase):
 
         in_data = fm.data.full(0.0, "test", info, t)
         out.push_data(in_data, t)
-        out_data = in1.pull_data(t, in1)
-
-        self.assertEqual(out_data[0, 0, 0], 0.0)
-        in_data[0, 0, 0] = 1.0
-        self.assertEqual(out_data[0, 0, 0], 0.0)
+        with self.assertRaises(FinamDataError):
+            out.push_data(in_data, t)
 
     def test_data_copied_xarray_units(self):
         t = datetime(2000, 1, 1)
@@ -419,11 +416,8 @@ class TestOutput(unittest.TestCase):
 
         in_data = fm.data.strip_data(fm.data.full(0.0, "test", info, t))
         out.push_data(in_data, t)
-        out_data = in1.pull_data(t, in1)
-
-        self.assertEqual(out_data[0, 0, 0], 0.0)
-        in_data[0, 0] = 1.0
-        self.assertEqual(out_data[0, 0, 0], 0.0)
+        with self.assertRaises(FinamDataError):
+            out.push_data(in_data, t)
 
     def test_data_copied_numpy_units(self):
         t = datetime(2000, 1, 1)
diff --git a/tests/core/test_units.py b/tests/core/test_units.py
index d0ba6844a8938ccfa76418964082a8dc3dd92c00..08dc807d0e41bf4d6569860ed09f63ce8874ee62 100644
--- a/tests/core/test_units.py
+++ b/tests/core/test_units.py
@@ -80,7 +80,7 @@ class TestUnits(unittest.TestCase):
 
         (source.outputs["Output"] >> sink.inputs["Input"])
 
-        composition.run(start_time=time, end_time=datetime(2000, 1, 2))
+        composition.connect()
 
         self.assertEqual(sink.inputs["Input"].info.meta, {"units": UNITS.kilometer})
         self.assertEqual(tools.get_units(sink.data), UNITS.kilometer)