Add known_issues tests

[AYAHASSAN287]

PR Details

• This PR contains 2 tests :

1-test_multiple_edge_service_nodes_communication

based on the example in explanation series :

• 2 edge nodes & 3 service nodes
• Edge_node1 publish lighpush message to peer service_node1
• Service_node1 relays message to service_node2 & service_node3
• Edge_node2 makes store query to service_node2
• Edge_node2 makes filter request to service_node3
• Service_node3 makes store query to service_node2

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2-test_store_no_peer_selected
Test written based on bug Store-query node auto-pick doesn't work as expected

• 5 nodes created [ 1 store node ]
• Node4(relay node) publish message
• Adding 3 peers to Node3 [1 store node - 2 non store nodes]
• Node3 (non relay node makes store inquiry but no store node specified
• Steps repeated for store_version 1

Issues reported:

For test test_multiple_edge_service_nodes_communication :

when both the sender and lightpush node are go-waku ---- > no issues
if any of them nwaku publish fails

For test test_store_no_peer_selected:
If go-waku node active
Store requests fails for both store v1 & v3