Add @ts-nocheck to a RCE test

This fixes post-merge build failures.

New TypeScript version picked up on some naughty
assignments in a test file. But since it's a test
file we can ignore it

flag=none

Change-Id: Iacbae1a289f77f7eb14e1b176530f9469e89778f
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/333535
QA-Review: Aaron Shafovaloff <ashafovaloff@instructure.com>
Product-Review: Aaron Shafovaloff <ashafovaloff@instructure.com>
Reviewed-by: James Butters <jbutters@instructure.com>
Tested-by: Service Cloud Jenkins <svc.cloudjenkins@instructure.com>

packages/canvas-rce/package.json

@@ -45,6 +45,7 @@
     "fmt:fix": "prettier --write '**/*.js*' '**/*.ts*'",
     "clean": "rm -rf lib && yarn clean:es && rm -rf coverage && yarn demo:clean",
     "clean:es": "rm -rf es",
+    "check:ts": "tsc -p tsconfig.json",
     "generate-svgs": "yarn build:es && node --experimental-modules scripts/generateSvgs.js && prettier --write src/rce/plugins/instructure_equation/MathIcon/svgs.js",
     "publishToNpm": "scripts/publish_to_npm.sh"
   },

packages/canvas-rce/src/rce/plugins/instructure_rce_external_tools/__tests__/ExternalToolsEnv.test.ts

@@ -1,3 +1,4 @@
+// @ts-nocheck
 /*
  * Copyright (C) 2023 - present Instructure, Inc.
  *