Update range mappings tests for latest spec

  - Offsets are now 1-based, VLQ 0 is disallowed

Author: takikawa

range-mappings-proposal-tests.json

@@ -36,6 +36,13 @@
       "sourceMapFile": "invalid-base64-char-2.js.map",
       "sourceMapIsValid": false
     },
+    {
+      "name": "rangeMappingsInvalidVLQZero",
+      "description": "VLQ of zero is invalid because offsets are 1-based",
+      "baseFile": "invalid-vlq-zero.js",
+      "sourceMapFile": "invalid-vlq-zero.js.map",
+      "sourceMapIsValid": false
+    },
     {
       "name": "rangeMappingsOutOfRange",
       "description": "Test an invalid range mapping which is outside the mappings length",