ATLAS-2824 updated authentication to support trusted proxy.

webapp/src/test/java/org/apache/atlas/web/security/NegativeSSLAndKerberosTest.java

@@ -91,6 +91,7 @@ public class NegativeSSLAndKerberosTest extends BaseSSLAndKerberosTest {
                 + "/users-credentials");
         configuration.setProperty("atlas.auth.policy.file",persistDir
                 + "/policy-store.txt" );
+        configuration.setProperty("atlas.authentication.method.trustedproxy", "false");
 
         TestUtils.writeConfiguration(configuration, persistDir + File.separator +
                 ApplicationProperties.APPLICATION_PROPERTIES);

webapp/src/test/java/org/apache/atlas/web/security/SSLAndKerberosTest.java

@@ -91,6 +91,7 @@ public class SSLAndKerberosTest extends BaseSSLAndKerberosTest {
         configuration.setProperty("atlas.authentication.principal","dgi/localhost@"+kdc.getRealm());
 
         configuration.setProperty("atlas.authentication.method.file", "false");
+        configuration.setProperty("atlas.authentication.method.trustedproxy", "false");
         configuration.setProperty("atlas.authentication.method.kerberos", "true");
         configuration.setProperty("atlas.authentication.method.kerberos.principal", "HTTP/localhost@" + kdc.getRealm());
         configuration.setProperty("atlas.authentication.method.kerberos.keytab", httpKeytabFile.getAbsolutePath());