Fix tests

Author: ksvirkou-hubspot

package.json

@@ -9,7 +9,7 @@
   },
   "scripts": {
     "build": "tsc",
-    "test": "ts-node node_modules/jasmine/bin/jasmine --config=jasmine.json",
+    "test": "tsx node_modules/jasmine/bin/jasmine --config=jasmine.json",
     "prettier:check": "prettier --check \"{,**/}*.{js,ts}\"",
     "prettier:write": "prettier --write \"{,**/}*.{js,ts}\"",
     "lint": "eslint \"{,**/}*.ts\" && npm run prettier:check",

src/utils/signature.ts

@@ -1,4 +1,4 @@
-import crypto = require('crypto')
+import * as crypto from 'crypto'
 import { ISignatureOptions } from './ISignatureOptions'
 
 export class Signature {