diff --git a/tests/conftest.py b/tests/conftest.py
index 5bfcd8ca8ea..632c1fc78af 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -156,12 +156,17 @@ def model_with_ns():
 
 @pytest.fixture()
 def fluent_multi_species():
-    """Create a data sources with a cas and a dat file of fluent multi-species case."""
-    ds = core.DataSources()
-    files = examples.download_fluent_multi_species()
-    ds.set_result_file_path(files["cas"], "cas")
-    ds.add_file_path(files["dat"], "dat")
-    return ds
+    """Return a function which creates a data sources
+    with a cas and a dat file of fluent multi-species case."""
+
+    def return_ds(server=None):
+        ds = core.DataSources(server=server)
+        files = examples.download_fluent_multi_species(server=server)
+        ds.set_result_file_path(files["cas"], "cas")
+        ds.add_file_path(files["dat"], "dat")
+        return ds
+
+    return return_ds
 
 
 @pytest.fixture()
diff --git a/tests/test_cff.py b/tests/test_cff.py
new file mode 100644
index 00000000000..a47820703a8
--- /dev/null
+++ b/tests/test_cff.py
@@ -0,0 +1,16 @@
+import pytest
+import conftest
+from ansys.dpf import core as dpf
+
+
+@pytest.mark.skipif(
+    not conftest.SERVERS_VERSION_GREATER_THAN_OR_EQUAL_TO_7_0,
+    reason="CFF source operators where not supported before 7.0,",
+)
+def test_cff_model_grpc_servers(server_type, fluent_multi_species):
+    ds = fluent_multi_species(server_type)
+    model = dpf.Model(ds, server=server_type)
+    print(model)
+    assert model is not None
+    m = model.metadata.meshed_region
+    print(m)