diff --git a/test/conftest.py b/test/conftest.py
new file mode 100644
index 0000000..ce65f3d
--- /dev/null
+++ b/test/conftest.py
@@ -0,0 +1,55 @@
+import pytest
+
+
+@pytest.fixture
+def predictions():
+    return [
+        {
+            "class": "signature",
+            "probabilities": {
+                "signature": 1.0,
+                "logo": 9.150285377746546e-19,
+                "other": 4.374506412383356e-19,
+                "formula": 3.582569597002796e-24,
+            },
+        }
+    ]
+
+
+@pytest.fixture
+def metadata():
+    return [
+        {
+            "page_height": 612.0,
+            "page_width": 792.0,
+            "height": 61.049999999999955,
+            "width": 139.35000000000002,
+            "page_idx": 8,
+            "x1": 63.5,
+            "x2": 202.85000000000002,
+            "y1": 472.0,
+            "y2": 533.05,
+        }
+    ]
+
+
+@pytest.fixture
+def response():
+    return [
+        {
+            "classification": {
+                "label": "signature",
+                "probabilities": {"formula": 0.0, "logo": 0.0, "other": 0.0, "signature": 1.0},
+            },
+            "filters": {
+                "allPassed": True,
+                "geometry": {
+                    "imageFormat": {"quotient": 2.282555282555285, "tooTall": False, "tooWide": False},
+                    "imageSize": {"quotient": 0.13248234868245012, "tooLarge": False, "tooSmall": False},
+                },
+                "probability": {"unconfident": False},
+            },
+            "geometry": {"height": 61.049999999999955, "width": 139.35000000000002},
+            "position": {"pageNumber": 9, "x1": 63.5, "x2": 202.85000000000002, "y1": 472.0, "y2": 533.05},
+        }
+    ]
diff --git a/test/test_response.py b/test/test_response.py
new file mode 100644
index 0000000..696c92b
--- /dev/null
+++ b/test/test_response.py
@@ -0,0 +1,5 @@
+from image_prediction.response import build_response
+
+
+def test_build_response_returns_valid_response(predictions, metadata, response):
+    assert build_response(predictions, metadata) == response