TST: add test for getting array from series

Author: horaceklai

pandas/tests/arrays/test_array.py

@@ -182,6 +182,13 @@ def test_array_copy():
     assert np.shares_memory(a, b._ndarray) is True
 
 
+def test_array_from_series():
+    # GH38543
+    np.array([pd.Series({0: 0})])
+    np.array([pd.Series({"a": "a"})])
+    np.array([pd.Series({1: 1})])
+
+
 cet = pytz.timezone("CET")