diff --git a/Tests/test_new_cms.py b/Tests/test_new_cms.py
new file mode 100644
index 000000000..024a30213
--- /dev/null
+++ b/Tests/test_new_cms.py
@@ -0,0 +1,38 @@
+import pytest
+from PIL import ImageCms
+
+def test_buildTransform_flags_non_integer():
+    with pytest.raises(ImageCms.PyCMSError):
+        ImageCms.buildTransform(
+            inputProfile="path/to/input/profile",
+            outputProfile="path/to/output/profile",
+            inMode="RGB",
+            outMode="CMYK",
+            renderingIntent=ImageCms.Intent.PERCEPTUAL,
+            flags="not_an_integer"  # This should not be an integer
+        )
+
+def test_buildTransform_flags_out_of_range():
+    with pytest.raises(ImageCms.PyCMSError):
+        ImageCms.buildTransform(
+            inputProfile="path/to/input/profile",
+            outputProfile="path/to/output/profile",
+            inMode="RGB",
+            outMode="CMYK",
+            renderingIntent=ImageCms.Intent.PERCEPTUAL,
+            flags=999999  # Assuming this value is outside the valid range
+        )
+
+def test_renderingIntent_non_integer():
+    with pytest.raises(ImageCms.PyCMSError) as exc_info:
+        ImageCms.buildTransform(
+            inputProfile="path/to/input/profile",
+            outputProfile="path/to/output/profile",
+            inMode="RGB",
+            outMode="CMYK",
+            renderingIntent="not an integer",  # This should trigger the error
+            flags=0
+        )
+    assert str(exc_info.value) == "renderingIntent must be an integer between 0 and 3"
+
+   
\ No newline at end of file
diff --git a/conftest.py b/conftest.py
index 581940539..adf552ed8 100644
--- a/conftest.py
+++ b/conftest.py
@@ -20,7 +20,8 @@ def calculate_coverage(test_name):
         "branches2": PdfParser.XrefTable.branches,          # duru
         "branches3": SpiderImagePlugin.branches,            # isidora
         "branches4": MpegImagePlugin.BitStream.branches,    # isidora
-        "branches6": ImageFile.PyEncoder.branches,          # deekshu
+        "branches5": ImageCms.branches,                     # deekshu
+        "branches6": ImageFile.branches,                    # deekshu
         # Add more
     }