fix: don't patch esm loading in http instrumentation test

Author: raphael-theriault-swi

experimental/packages/opentelemetry-instrumentation-http/package.json

@@ -10,7 +10,7 @@
     "compile": "tsc --build",
     "clean": "tsc --build --clean",
     "test:cjs": "nyc mocha test/**/*.test.ts",
-    "test:esm": "nyc node --experimental-loader=@opentelemetry/instrumentation/hook.mjs ../../../node_modules/mocha/bin/mocha 'test/**/*.test.mjs'",
+    "test:esm": "cross-env MOCHA_DONT_PATCH_ESM=true nyc node --experimental-loader=@opentelemetry/instrumentation/hook.mjs ../../../node_modules/mocha/bin/mocha 'test/**/*.test.mjs'",
     "test": "npm run test:cjs && npm run test:esm",
     "tdd": "npm run test -- --watch-extensions ts --watch",
     "lint": "eslint . --ext .ts",
@@ -60,6 +60,7 @@
     "@types/superagent": "8.1.9",
     "axios": "1.8.4",
     "cross-var": "1.1.0",
+    "cross-env": "6.0.3",
     "lerna": "6.6.2",
     "mocha": "11.1.0",
     "nock": "13.5.6",