diff --git a/app/fizz/fizzbar/interface_test.py b/app/fizz/fizzbar/interface_test.py
new file mode 100644
index 0000000..e69de29
diff --git a/app/widget/interface_test.py b/app/widget/interface_test.py
new file mode 100644
index 0000000..da75bc8
--- /dev/null
+++ b/app/widget/interface_test.py
@@ -0,0 +1,19 @@
+from pytest import fixture
+from .model import Widget
+from .interface import WidgetInterface
+
+
+@fixture
+def interface() -> WidgetInterface:
+    return WidgetInterface(
+        widget_id=1, name='Test widget', purpose='Test purpose'
+    )
+
+
+def test_WidgetInterface_create(interface: WidgetInterface):
+    assert interface
+
+
+def test_WidgetInterface_works(interface: WidgetInterface):
+    widget = Widget(**interface)
+    assert widget
diff --git a/app/widget/model.py b/app/widget/model.py
index fbcd9a9..5707376 100644
--- a/app/widget/model.py
+++ b/app/widget/model.py
@@ -1,7 +1,6 @@
 from sqlalchemy import Integer, Column, String
 from app import db  # noqa
 from .interface import WidgetInterface
-from typing import Any
 
 
 class Widget(db.Model):  # type: ignore
diff --git a/app/widget/schema_test.py b/app/widget/schema_test.py
index e69de29..9f4f702 100644
--- a/app/widget/schema_test.py
+++ b/app/widget/schema_test.py
@@ -0,0 +1,27 @@
+from pytest import fixture
+
+from .model import Widget
+from .schema import WidgetSchema
+from .interface import WidgetInterface
+
+
+@fixture
+def schema() -> WidgetSchema:
+    return WidgetSchema()
+
+
+def test_WidgetSchema_create(schema: WidgetSchema):
+    assert schema
+
+
+def test_WidgetSchema_works(schema: WidgetSchema):
+    params: WidgetInterface = schema.load({
+        'widgetId': '123',
+        'name': 'Test widget',
+        'purpose': 'Test purpose'
+    }).data
+    widget = Widget(**params)
+
+    assert widget.widget_id == 123
+    assert widget.name == 'Test widget'
+    assert widget.purpose == 'Test purpose'