diff --git a/test/tests/functions/math.json b/test/tests/functions/offset.json
similarity index 61%
rename from test/tests/functions/math.json
rename to test/tests/functions/offset.json
index 2353d6e206..338bad19ed 100644
--- a/test/tests/functions/math.json
+++ b/test/tests/functions/offset.json
@@ -1,6 +1,6 @@
 {
   "$schema": "../../schemas/v0/tests.schema.json",
-  "scenario": "Math function",
+  "scenario": "Offset function",
   "description": "The built-in formatter and selector for addition and subtraction.",
   "defaultTestProperties": {
     "bidiIsolation": "none",
@@ -8,69 +8,69 @@
   },
   "tests": [
     {
-      "src": "{:math add=13}",
+      "src": "{:offset add=13}",
       "expErrors": [{ "type": "bad-operand" }]
     },
     {
-      "src": "{foo :math add=13}",
+      "src": "{foo :offset add=13}",
       "expErrors": [{ "type": "bad-operand" }]
     },
     {
-      "src": "{42 :math}",
+      "src": "{42 :offset}",
       "expErrors": [{ "type": "bad-option" }]
     },
     {
-      "src": "{42 :math add=foo}",
+      "src": "{42 :offset add=foo}",
       "expErrors": [{ "type": "bad-option" }]
     },
     {
-      "src": "{42 :math subtract=foo}",
+      "src": "{42 :offset subtract=foo}",
       "expErrors": [{ "type": "bad-option" }]
     },
     {
-      "src": "{42 :math foo=13}",
+      "src": "{42 :offset foo=13}",
       "expErrors": [{ "type": "bad-option" }]
     },
     {
-      "src": "{42 :math add=13 subtract=13}",
+      "src": "{42 :offset add=13 subtract=13}",
       "expErrors": [{ "type": "bad-option" }]
     },
     {
-      "src": "{41 :math add=1}",
+      "src": "{41 :offset add=1}",
       "exp": "42"
     },
     {
-      "src": "{52 :math subtract=10}",
+      "src": "{52 :offset subtract=10}",
       "exp": "42"
     },
     {
-      "src": "{41 :math add=1 foo=13}",
+      "src": "{41 :offset add=1 foo=13}",
       "exp": "42"
     },
     {
-      "src": ".local $x = {41 :integer signDisplay=always} {{{$x :math add=1}}}",
+      "src": ".local $x = {41 :integer signDisplay=always} {{{$x :offset add=1}}}",
       "exp": "+42"
     },
     {
-      "src": ".local $x = {52 :number signDisplay=always} {{{$x :math subtract=10}}}",
+      "src": ".local $x = {52 :number signDisplay=always} {{{$x :offset subtract=10}}}",
       "exp": "+42"
     },
     {
-      "src": "{$x :math add=1}",
+      "src": "{$x :offset add=1}",
       "params": [{ "name": "x", "value": 41 }],
       "exp": "42"
     },
     {
-      "src": "{$x :math subtract=10}",
+      "src": "{$x :offset subtract=10}",
       "params": [{ "name": "x", "value": 52 }],
       "exp": "42"
     },
     {
-      "src": ".local $x = {1 :math add=1} .match $x 1 {{=1}} 2 {{=2}} * {{other}}",
+      "src": ".local $x = {1 :offset add=1} .match $x 1 {{=1}} 2 {{=2}} * {{other}}",
       "exp": "=2"
     },
     {
-      "src": ".local $x = {10 :integer} .local $y = {$x :math subtract=6} .match $y 10 {{=10}} 4 {{=4}} * {{other}}",
+      "src": ".local $x = {10 :integer} .local $y = {$x :offset subtract=6} .match $y 10 {{=10}} 4 {{=4}} * {{other}}",
       "exp": "=4"
     }
   ]