diff --git a/test/unit_tests/coordinate_transformer_test.py b/test/unit_tests/coordinate_transformer_test.py
index ddbab88..a8db94a 100644
--- a/test/unit_tests/coordinate_transformer_test.py
+++ b/test/unit_tests/coordinate_transformer_test.py
@@ -5,6 +5,7 @@ from pdf2image import pdf2image
 
 from image_prediction.image_extractor.extractor import ImageMetadataPair
 from image_prediction.info import Info
+from image_prediction.transformer.transformers.coordinate.fpdf import FPDFCoordinateTransformer
 from test.conftest import array_to_image, add_image
 
 
@@ -19,9 +20,8 @@ def coordinate_test_fpdf():
     return pdf
 
 
-@pytest.fixture
-def position_metadata(corner):
-    metadata = {Info.X1: 0, Info.Y1: 0, Info.WIDTH: 100, Info.HEIGHT: 100, Info.PAGE_IDX: 0}
+def get_fpdf_coordinates(corner):
+    metadata = base_position_metadata()
 
     if corner == "top left":
         metadata.update({Info.X1: 0, Info.Y1: 0})
@@ -32,6 +32,16 @@ def position_metadata(corner):
     return metadata
 
 
+def base_position_metadata():
+    return {Info.X1: 0, Info.Y1: 0, Info.WIDTH: 100, Info.HEIGHT: 100, Info.PAGE_IDX: 0}
+
+
+@pytest.fixture
+def position_metadata(corner, coordinate_system):
+    if coordinate_system == "fpdf":
+        return get_fpdf_coordinates(corner)
+
+
 @pytest.fixture
 def coordinate_test_pdf(position_metadata, coordinate_test_image, coordinate_test_fpdf):
     add_image(coordinate_test_fpdf, ImageMetadataPair(coordinate_test_image, position_metadata))
@@ -44,8 +54,8 @@ def coordinate_test_page_image(coordinate_test_pdf):
 
 
 @pytest.mark.parametrize("corner", ["top left", "bottom left"])
+@pytest.mark.parametrize("coordinate_system", ["fpdf"])
 def test_coordinate_transformer(position_metadata, coordinate_test_page_image):
     # coordinate_test_pdf.output("/tmp/x.pdf")
     # coordinate_test_page_image.show()
-
-    
+    assert FPDFCoordinateTransformer()(position_metadata) == position_metadata