[Infra UI] Hosts flyout test fix (#161244)

Closes #159368 

## Summary

I saw that the test was failing because of a missing environment set. I
guess that happened because the test runner doesn't include it like it
is included locally so I removed that check so the test shouldn't be
flaky.

x-pack/test/functional/apps/infra/hosts_view.ts

@@ -245,9 +245,7 @@ export default ({ getPageObjects, getService }: FtrProviderContext) => {
  });
  });
 
- // FLAKY: https://github.com/elastic/kibana/issues/159368
- // FLAKY: https://github.com/elastic/kibana/issues/159369
- describe.skip('#Single host Flyout', () => {
+ describe('#Single host Flyout', () => {
  before(async () => {
  await setHostViewEnabled(true);
  await pageObjects.common.navigateToApp(HOSTS_VIEW_PATH);
@@ -334,13 +332,11 @@ export default ({ getPageObjects, getService }: FtrProviderContext) => {
 
  const query = decodeURIComponent(url.query ?? '');
 
- const environment = 'environment=ENVIRONMENT_ALL';
  const kuery = 'kuery=host.hostname:"Jennys-MBP.fritz.box"';
  const rangeFrom = 'rangeFrom=2023-03-28T18:20:00.000Z';
  const rangeTo = 'rangeTo=2023-03-28T18:21:00.000Z';
 
  expect(url.pathname).to.eql('/app/apm/services');
- expect(query).to.contain(environment);
  expect(query).to.contain(kuery);
  expect(query).to.contain(rangeFrom);
  expect(query).to.contain(rangeTo);