fix: use asyncTimer properly

Author: mikesurowiec

lib/hydro.js

@@ -68,7 +68,7 @@ module.exports = class Hydro {
     })
     const token = this.generatePayloadHmac(body)
 
-    const fn = () => fetch(this.endpoint, {
+    const doFetch = () => fetch(this.endpoint, {
       method: 'POST',
       body,
       headers: {
@@ -78,7 +78,7 @@ module.exports = class Hydro {
       }
     })
 
-    const res = await hydroStats.asyncTimer(fn, 'response_time')
+    const res = await hydroStats.asyncTimer(doFetch, 'response_time')()
 
     hydroStats.increment(`response_code.${res.statusCode}`, 1)
     hydroStats.increment('response_code.all', 1)