KNOX-3293: Add integration tests: health metrics JSON, KnoxLDAP preauth/extauthz paths, RemoteAuth extauthz#1194

hanicz merged 2 commits intoapache:masterapache/knox:masterfrom

Raghav-Mah3shwari:KNOX-3293Raghav-Mah3shwari/Apache-knox:KNOX-3293Copy head branch name to clipboard