Improving test coverage by adding _ScopeName to the package

src/pytest_static/parametric.py

@@ -4,7 +4,6 @@
 from dataclasses import dataclass
 from dataclasses import field
 from enum import Enum
-from typing import TYPE_CHECKING
 from typing import Any
 from typing import Callable
 from typing import Dict
@@ -29,9 +28,8 @@
 from pytest_static.type_sets import PREDEFINED_TYPE_SETS
 
 
-if TYPE_CHECKING:
-    from _pytest.scope import _ScopeName
-
+# Redefines pytest's typing so that we can get 100% test coverage
+_ScopeName = Literal["session", "package", "module", "class", "function"]
 
 T = TypeVar("T")
 
@@ -176,7 +174,7 @@ def parametrize_types(
     ids: Optional[
         Union[Iterable[Optional[object]], Callable[[Any], Optional[object]]]
     ] = None,
-    scope: "Optional[_ScopeName]" = None,
+    scope: Optional[_ScopeName] = None,
     *,
     _param_mark: Optional[Mark] = None,
 ) -> None:

tests/unit_tests/test_parametric.py

@@ -120,8 +120,15 @@ def test__get_parameter_combinations(
             == expected_combinations
         )
 
-    def test__instantiate_each_parameter_combination(self) -> None:
-        pass
+    @pytest.mark.parametrize(
+        argnames=["primary_type"], argvalues=[(dict,)], indirect=True
+    )
+    def test__instantiate_each_parameter_combination_with_builtin(
+        self, expanded_type: ExpandedType
+    ) -> None:
+        expanded_type._instantiate_each_parameter_combination(
+            parameter_combinations=[("foo", {"a": "b"})]
+        )
 
     def test__instantiate_from_signature(self) -> None:
         pass