diff --git a/tests/utils/test_helpers.py b/tests/utils/test_helpers.py
index bec3bcce323..d8ba0455e62 100644
--- a/tests/utils/test_helpers.py
+++ b/tests/utils/test_helpers.py
@@ -18,6 +18,7 @@
 from poetry.utils.helpers import ensure_path
 from poetry.utils.helpers import get_file_hash
 from poetry.utils.helpers import get_highest_priority_hash_type
+from poetry.utils.helpers import pluralize
 
 
 if TYPE_CHECKING:
@@ -28,6 +29,14 @@
     from tests.types import FixtureDirGetter
 
 
+def test_pluralize() -> None:
+    assert pluralize(1, "apple") == "apple"
+    assert pluralize(0, "apple") == "apples"
+    assert pluralize(2, "apple") == "apples"
+    assert pluralize(3, "") == "s"
+
+
+
 def test_parse_requires() -> None:
     requires = """\
 jsonschema>=2.6.0.0,<3.0.0.0