tests: fixed multiple tests missing ovn-nbctl "wait"

- dhcpv4 : 1 HV, 2 LS
- Remote port binding
- MLD snoop/querier/relay
- basic connectivity with multiple requested-chassis

Signed-off-by: Xavier Simonart <xsimonar@redhat.com>
Acked-by: Mark Michelson <mmichels@redhat.com>
Signed-off-by: Dumitru Ceara <dceara@redhat.com>
(cherry picked from commit 7c6a207)

tests/ovn.at

@@ -6765,7 +6765,7 @@ ovn-nbctl dhcp-options-set-options $d3 \
    lease_time=3600 router=10.0.0.1 bootfile_name_alt=\"bootfile_name_alt\" \
    bootfile_name=\"bootfile\"
 
-ovn-nbctl lsp-set-dhcpv4-options ls1-lp1 $d3
+ovn-nbctl --wait=hv lsp-set-dhcpv4-options ls1-lp1 $d3
 
 offer_ip=`ip_to_hex 10 0 0 4`
 server_ip=`ip_to_hex 10 0 0 1`
@@ -20792,7 +20792,7 @@ check ovn-nbctl set Logical_Switch sw2 \
     other_config:mcast_querier="false"
 
 # Enable multicast snooping on sw3.
-check ovn-nbctl --wait=sb set Logical_Switch sw3       \
+check ovn-nbctl --wait=hv set Logical_Switch sw3       \
     other_config:mcast_querier="false" \
     other_config:mcast_snoop="true"
 
@@ -20831,7 +20831,7 @@ OVS_WAIT_UNTIL(
   [$at_diff -F'^---' exp rcv])
 
 # Enable multicast relay on rtr
-check ovn-nbctl --wait=sb set logical_router rtr options:mcast_relay="true"
+check ovn-nbctl --wait=hv set logical_router rtr options:mcast_relay="true"
 
 AT_CAPTURE_FILE([sbflows6])
 ovn-sbctl dump-flows > sbflows6