Wrap necessary test with NSX version check (#975)

Signed-off-by: graysonwu <[email protected]>

Author: GraysonWu

nsxt/resource_nsxt_policy_transport_zone_test.go

@@ -32,7 +32,7 @@ func TestAccResourceNsxtPolicyTransportZone_basic(t *testing.T) {
 		PreCheck: func() {
 			testAccPreCheck(t)
 			testAccOnlyLocalManager(t)
-
+			testAccNSXVersion(t, "4.0.0")
 		},
 		Providers: testAccProviders,
 		CheckDestroy: func(state *terraform.State) error {