diff --git a/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master0.ttx b/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master0.ttx
index 347da48e6..d738f8646 100644
--- a/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master0.ttx
+++ b/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master0.ttx
@@ -149,6 +149,11 @@
     </cmap_format_4>
   </cmap>
 
+  <cvt>
+    <cv index="0" value="470"/>
+    <cv index="1" value="677"/>
+  </cvt>
+
   <loca>
     <!-- The 'loca' table will be calculated by the compiler -->
   </loca>
diff --git a/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master1.ttx b/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master1.ttx
index a1229ac76..7beabc04c 100644
--- a/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master1.ttx
+++ b/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master1.ttx
@@ -149,6 +149,11 @@
     </cmap_format_4>
   </cmap>
 
+  <cvt>
+    <cv index="0" value="474"/>
+    <cv index="1" value="677"/>
+  </cvt>
+
   <loca>
     <!-- The 'loca' table will be calculated by the compiler -->
   </loca>
diff --git a/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master2.ttx b/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master2.ttx
index 2bac5542f..3e20faca6 100644
--- a/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master2.ttx
+++ b/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master2.ttx
@@ -149,6 +149,11 @@
     </cmap_format_4>
   </cmap>
 
+  <cvt>
+    <cv index="0" value="487"/>
+    <cv index="1" value="677"/>
+  </cvt>
+
   <loca>
     <!-- The 'loca' table will be calculated by the compiler -->
   </loca>
diff --git a/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master3.ttx b/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master3.ttx
index 71078318b..e1d0375df 100644
--- a/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master3.ttx
+++ b/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master3.ttx
@@ -149,6 +149,11 @@
     </cmap_format_4>
   </cmap>
 
+  <cvt>
+    <cv index="0" value="487"/>
+    <cv index="1" value="677"/>
+  </cvt>
+
   <loca>
     <!-- The 'loca' table will be calculated by the compiler -->
   </loca>
diff --git a/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master4.ttx b/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master4.ttx
index 9c7d6e320..c0946fd19 100644
--- a/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master4.ttx
+++ b/Tests/varLib/data/master_ttx_interpolatable_ttf/TestFamily-Master4.ttx
@@ -149,6 +149,11 @@
     </cmap_format_4>
   </cmap>
 
+  <cvt>
+    <cv index="0" value="474"/>
+    <cv index="1" value="677"/>
+  </cvt>
+
   <loca>
     <!-- The 'loca' table will be calculated by the compiler -->
   </loca>
diff --git a/Tests/varLib/data/test_results/Mutator.ttx b/Tests/varLib/data/test_results/Mutator.ttx
index 2467eb33f..f0a55ce6f 100644
--- a/Tests/varLib/data/test_results/Mutator.ttx
+++ b/Tests/varLib/data/test_results/Mutator.ttx
@@ -128,6 +128,11 @@
     </cmap_format_4>
   </cmap>
 
+  <cvt>
+    <cv index="0" value="474"/>
+    <cv index="1" value="677"/>
+  </cvt>
+
   <loca>
     <!-- The 'loca' table will be calculated by the compiler -->
   </loca>