fix format duration rounding days error (#582)

* fix format duration rounding days error
* added tests

Signed-off-by: Sebastian Malton <smalton@mirantis.com>

Co-authored-by: Sebastian Malton <smalton@mirantis.com>

src/main/context-handler.ts

@@ -1,5 +1,4 @@
 import { CoreV1Api, KubeConfig } from "@kubernetes/client-node"
-import http from "http"
 import { ServerOptions } from "http-proxy"
 import * as url from "url"
 import logger from "./logger"

src/main/kubectl.ts

@@ -125,7 +125,7 @@ export class Kubectl {
       }
 
       try {
-        const { stdout, stderr } = await promiseExec(`"${this.path}" version --client=true -o json`)
+        const { stdout } = await promiseExec(`"${this.path}" version --client=true -o json`)
         const output = JSON.parse(stdout)
         let version: string = output.clientVersion.gitVersion
         if (version[0] === 'v') {