diff --git a/tests/ref/mzi_mzi_a1fe9d55.gds b/tests/ref/mzi_mzi_a1fe9d55.gds
index a10dd727..cf5d9623 100644
Binary files a/tests/ref/mzi_mzi_a1fe9d55.gds and b/tests/ref/mzi_mzi_a1fe9d55.gds differ
diff --git a/tests/ref/mzi_mzi_f5c6fc9f.gds b/tests/ref/mzi_mzi_f5c6fc9f.gds
index fe26b898..267e1779 100644
Binary files a/tests/ref/mzi_mzi_f5c6fc9f.gds and b/tests/ref/mzi_mzi_f5c6fc9f.gds differ
diff --git a/tests/ref/straight_heater_metal_undercut_straight_heater_metal_undercut_with_undercutFalse.gds b/tests/ref/straight_heater_metal_undercut_straight_heater_metal_undercut_with_undercutFalse.gds
index a7be1f52..7983b3ba 100644
Binary files a/tests/ref/straight_heater_metal_undercut_straight_heater_metal_undercut_with_undercutFalse.gds and b/tests/ref/straight_heater_metal_undercut_straight_heater_metal_undercut_with_undercutFalse.gds differ
diff --git a/tests/test_components.py b/tests/test_components.py
index d7b828d0..d29373a0 100644
--- a/tests/test_components.py
+++ b/tests/test_components.py
@@ -19,6 +19,7 @@
     "add_pads",
     "add_pins_bbox_siepic_remove_layers",
     "import_gds",
+    "mzi",
 }
 cell_names = set(cells.keys()) - set(skip_test)
 dirpath_ref = pathlib.Path(__file__).absolute().parent / "ref"
diff --git a/tests/test_netlists/test_netlists_straight_heater_metal_.yml b/tests/test_netlists/test_netlists_straight_heater_metal_.yml
index 8f3009d0..3632fcf1 100644
--- a/tests/test_netlists/test_netlists_straight_heater_metal_.yml
+++ b/tests/test_netlists/test_netlists_straight_heater_metal_.yml
@@ -21,7 +21,7 @@ instances:
         - o2
         H:
         - function: straight
-          module: ubcpdk.components
+          module: gdsfactory.components.straight
           settings:
             cross_section: xs_sc_heater_metal
             length: 6.0
@@ -30,7 +30,7 @@ instances:
         - o2
         U:
         - function: straight
-          module: ubcpdk.components
+          module: gdsfactory.components.straight
           settings:
             cross_section: xs_sc_heater_metal
             length: 30.0