// I have stored the generated Mock URL as Collection Variable
let snapshotURL = pm.variables.get('snapshotURL'),
    
    /* Create the path that was used in actual request. We will send   it along with our Mock endpoint */
    path = pm.request.url.path.join('/');

/* If request contains any query params then pass those as well to    mock endpoint */
if (pm.request.url.query.count()) {
  
    let params = pm.request.url.query.map((q) => {
        return `${q.key}=${q.value}`;
    })
    
    path = `${path}?${params.join('&')}`;
}

// This is the final mock request that we will use.
let snapshotFetchOptions = {
    url: `${snapshotURL}/${path}`,
    method: pm.request.method
};