add admin_port_secure env var test

Author: alai8

operator/src/test/java/oracle/kubernetes/operator/helpers/PodHelperTestBase.java

@@ -370,6 +370,13 @@ public void whenPodCreatedWithAdminPortEnabled_readinessProbeHasReadinessCommand
     assertThat(getAction.getScheme(), equalTo("HTTPS"));
   }
 
+  @Test
+  public void whenPodCreatedWithAdminPortEnabled_adminPortSecureEnvVarIsTrue() {
+    final Integer ADMIN_PORT = 9002;
+    domainTopology.getServerConfig(serverName).setAdminPort(ADMIN_PORT);
+    assertThat(getCreatedPodSpecContainer().getEnv(), hasEnvVar("ADMIN_PORT_SECURE", "true"));
+  }
+
   @Test
   public void whenPodCreatedWithDomainV2Settings_livenessProbeHasConfiguredTuning() {
     configureServer()