diff --git a/tests/tests_pytorch/trainer/logging_/test_train_loop_logging.py b/tests/tests_pytorch/trainer/logging_/test_train_loop_logging.py
index 91511a7c17..e48f80d2d1 100644
--- a/tests/tests_pytorch/trainer/logging_/test_train_loop_logging.py
+++ b/tests/tests_pytorch/trainer/logging_/test_train_loop_logging.py
@@ -345,7 +345,7 @@ class LoggingSyncDistModel(BoringModel):
 @pytest.mark.parametrize(
     ("devices", "accelerator"),
     [
-        # (1, "cpu"),
+        (1, "cpu"),
         (2, "cpu"),
         pytest.param(2, "gpu", marks=RunIf(min_cuda_gpus=2)),
     ],
@@ -368,23 +368,23 @@ def test_logging_sync_dist_true(tmp_path, devices, accelerator):
     )
     trainer.fit(model)
 
-    # total = fake_result * devices + 1
-    # metrics = trainer.callback_metrics
-    # assert metrics["foo"] == total if use_multiple_devices else fake_result
-    # assert metrics["foo_2"] == 2 * devices
-    # assert metrics["foo_3"] == 2
-    # assert metrics["foo_4"] == total / devices if use_multiple_devices else 1
-    # assert metrics["foo_5"] == fake_result * 2 + 1 if use_multiple_devices else fake_result * 2
-    # assert metrics["foo_6"] == (0 + 1 + 1 + 2 + 2 + 3) if use_multiple_devices else fake_result * 3 * 2
-    # assert metrics["foo_7"] == 2 * devices * 3
-    # assert metrics["foo_8"] == 2
-    # assert metrics["foo_9"] == (fake_result * 2 + 1) / devices if use_multiple_devices else fake_result
-    # assert metrics["foo_10"] == 2
-    # assert metrics["foo_11_step"] == (2 + 3) / 2 if use_multiple_devices else fake_result * 2
-    # assert metrics["foo_11"] == (0 + 1 + 1 + 2 + 2 + 3) / (devices * 3) if use_multiple_devices else fake_result
-    # assert metrics["bar"] == fake_result * 3 * devices
-    # assert metrics["bar_2"] == fake_result
-    # assert metrics["bar_3"] == 2 + int(use_multiple_devices)
+    total = fake_result * devices + 1
+    metrics = trainer.callback_metrics
+    assert metrics["foo"] == total if use_multiple_devices else fake_result
+    assert metrics["foo_2"] == 2 * devices
+    assert metrics["foo_3"] == 2
+    assert metrics["foo_4"] == total / devices if use_multiple_devices else 1
+    assert metrics["foo_5"] == fake_result * 2 + 1 if use_multiple_devices else fake_result * 2
+    assert metrics["foo_6"] == (0 + 1 + 1 + 2 + 2 + 3) if use_multiple_devices else fake_result * 3 * 2
+    assert metrics["foo_7"] == 2 * devices * 3
+    assert metrics["foo_8"] == 2
+    assert metrics["foo_9"] == (fake_result * 2 + 1) / devices if use_multiple_devices else fake_result
+    assert metrics["foo_10"] == 2
+    assert metrics["foo_11_step"] == (2 + 3) / 2 if use_multiple_devices else fake_result * 2
+    assert metrics["foo_11"] == (0 + 1 + 1 + 2 + 2 + 3) / (devices * 3) if use_multiple_devices else fake_result
+    assert metrics["bar"] == fake_result * 3 * devices
+    assert metrics["bar_2"] == fake_result
+    assert metrics["bar_3"] == 2 + int(use_multiple_devices)
 
 
 @RunIf(min_cuda_gpus=2, standalone=True)