Add end2end replication tests based on mgclient (#69)

* Remove old HA benchmark and integration tests

.github/workflows/diff.yaml

@@ -289,6 +289,15 @@ jobs:
             tests/gql_behave/gql_behave_status.csv
             tests/gql_behave/gql_behave_status.html
 
+      - name: Run e2e replication tests
+        run: |
+          # TODO(gitbuda): Setup mgclient and pymgclient properly.
+          cd tests
+          ./setup.sh
+          source ve3/bin/activate
+          cd e2e
+          LD_LIBRARY_PATH=$LD_LIBRARY_PATH:../../libs/mgclient/lib python runner.py --workloads-path replication/workloads.yaml
+
       - name: Run stress test (plain)
         run: |
           cd tests/stress