test: update fetch fixtures only when requested

avoids automagic http requests in tests

package.json

@@ -11,6 +11,7 @@
     "lint:fix": "eslint --fix",
     "start": "node dist/index.js",
     "test": "jest",
+    "test:update-fixtures": "TEST_UPDATE_FIXTURES=1 npm run test",
     "ci": "npm run lint && npm run analyse && npm run test"
   },
   "repository": {

src/utils/__mocks__/Fetcher.ts

@@ -34,7 +34,12 @@ export class Fetcher {
       let response;
 
       try {
-        response = await callable();
+        if (process.env['TEST_UPDATE_FIXTURES']) {
+          response = await callable();
+        } else {
+          console.error(`No fixture found at "${path}".`);
+          process.exit(1);
+        }
       } catch (error) {
         if (error instanceof AxiosError) {
           const fixtureError = JSON.stringify({