fix: Add missing test file (#266)

This file should have been added with #258

tests/error/test_array_errors.py

@@ -0,0 +1,20 @@
+import pathlib
+import pytest
+
+from tests.error.util import run_error_test
+
+path = pathlib.Path(__file__).parent.resolve() / "array_errors"
+files = [
+    x
+    for x in path.iterdir()
+    if x.is_file()
+    if x.suffix == ".py" and x.name != "__init__.py"
+]
+
+# Turn paths into strings, otherwise pytest doesn't display the names
+files = [str(f) for f in files]
+
+
+@pytest.mark.parametrize("file", files)
+def test_array_errors(file, capsys):
+    run_error_test(file, capsys)