How to use the node-simctl.installApp function in node-simctl

// Apple will always throw some exception because we don't provide a -t.
      // but we just care about launching simulator with chosen UDID
    }

    if (!fs.existsSync('ios')) {
      log.info(`Generating runner iOS project`)
      await generateRunner(runnerConfig)
    } else {
      log.info(`Re-generating runner container`)
      await generateContainerForRunner(runnerConfig)
    }

    const device = answer.device
    shell.cd(`${this.path}/ios`)
    execSync(`xcodebuild -scheme ErnRunner -destination 'platform=iOS Simulator,name=${device.name}' SYMROOT="${this.path}/ios/build" build`)
    await simctl.installApp(device.udid, `${this.path}/ios/build/Debug-iphonesimulator/ErnRunner.app`)
    await simctl.launch(device.udid, 'com.yourcompany.ernrunner')
  }

export async function installApplicationOnSimulator (deviceUdid: string, pathToAppFile: string) {
  return simctl.installApp(deviceUdid, pathToAppFile)
}

return loadApp(appUrl).then(path => {
          return simctl.installApp(udid, path).then(() => {
            openApp(udid, schema, params);
            return result;
          });
        });
      }

async installApp (app) {
    return await simctl.installApp(this.udid, app);
  }