diff --git a/Tests/varLib/data/test_results/InterpolateLayoutGPOS_8_diff.ttx b/Tests/varLib/data/test_results/InterpolateLayoutGPOS_7_diff.ttx
similarity index 100%
rename from Tests/varLib/data/test_results/InterpolateLayoutGPOS_8_diff.ttx
rename to Tests/varLib/data/test_results/InterpolateLayoutGPOS_7_diff.ttx
diff --git a/Tests/varLib/data/test_results/InterpolateLayoutGPOS_8_same.ttx b/Tests/varLib/data/test_results/InterpolateLayoutGPOS_7_same.ttx
similarity index 100%
rename from Tests/varLib/data/test_results/InterpolateLayoutGPOS_8_same.ttx
rename to Tests/varLib/data/test_results/InterpolateLayoutGPOS_7_same.ttx
diff --git a/Tests/varLib/interpolate_layout_test.py b/Tests/varLib/interpolate_layout_test.py
index 572dd3ec6..8fdf60f52 100644
--- a/Tests/varLib/interpolate_layout_test.py
+++ b/Tests/varLib/interpolate_layout_test.py
@@ -748,8 +748,8 @@ class InterpolateLayoutTest(unittest.TestCase):
         self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
 
 
-    def test_varlib_interpolate_layout_GPOS_only_LookupType_8_same_val_ttf(self):
-        """Only GPOS; LookupType 8; same values in all masters.
+    def test_varlib_interpolate_layout_GPOS_only_LookupType_7_same_val_ttf(self):
+        """Only GPOS; LookupType 7; same values in all masters.
         """
         suffix = '.ttf'
         ds_path = self.get_test_input('InterpolateLayout.designspace')
@@ -781,13 +781,13 @@ class InterpolateLayoutTest(unittest.TestCase):
         instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
 
         tables = ['GPOS']
-        expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_8_same.ttx')
+        expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_7_same.ttx')
         self.expect_ttx(instfont, expected_ttx_path, tables)
         self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)
 
 
-    def test_varlib_interpolate_layout_GPOS_only_LookupType_8_diff_val_ttf(self):
-        """Only GPOS; LookupType 8; different values in each master.
+    def test_varlib_interpolate_layout_GPOS_only_LookupType_7_diff_val_ttf(self):
+        """Only GPOS; LookupType 7; different values in each master.
         """
         suffix = '.ttf'
         ds_path = self.get_test_input('InterpolateLayout.designspace')
@@ -833,7 +833,7 @@ class InterpolateLayoutTest(unittest.TestCase):
         instfont = interpolate_layout(ds_path, {'weight': 500}, finder)
 
         tables = ['GPOS']
-        expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_8_diff.ttx')
+        expected_ttx_path = self.get_test_output('InterpolateLayoutGPOS_7_diff.ttx')
         self.expect_ttx(instfont, expected_ttx_path, tables)
         self.check_ttx_dump(instfont, expected_ttx_path, tables, suffix)