add new helper: getFlowHistoryByAction

services/src/functional-tests/src/main/groovy/org/openkilda/functionaltests/helpers/FlowHelper.groovy

@@ -11,6 +11,7 @@ import org.openkilda.messaging.payload.flow.FlowCreatePayload
 import org.openkilda.messaging.payload.flow.FlowEndpointPayload
 import org.openkilda.messaging.payload.flow.FlowPayload
 import org.openkilda.messaging.payload.flow.FlowState
+import org.openkilda.messaging.payload.history.FlowEventPayload
 import org.openkilda.model.Flow
 import org.openkilda.northbound.dto.v2.flows.FlowEndpointV2
 import org.openkilda.testing.model.topology.TopologyDefinition
@@ -261,6 +262,14 @@ class FlowHelper {
         }
     }
 
+    List<FlowEventPayload> getFlowHistoryByAction(String flowId, String action) {
+        getFlowHistoryByAction(flowId, null, null, action)
+    }
+
+    List<FlowEventPayload> getFlowHistoryByAction(String flowId, Long timeFrom, Long timeTo, String action) {
+        northbound.getFlowHistory(flowId, timeFrom, timeTo).findAll { it.action == action }
+    }
+
     /**
      * Returns flow endpoint with randomly chosen vlan.
      *

services/src/functional-tests/src/main/groovy/org/openkilda/functionaltests/helpers/FlowHistoryAction.groovy

@@ -0,0 +1,29 @@
+package org.openkilda.functionaltests.helpers
+
+enum FlowHistoryAction {
+    FlowCreating {
+        String toString() {
+            return "Flow creating"
+        }
+    },
+    FlowUpdating {
+        String toString() {
+            return "Flow creating"
+        }
+    },
+    FlowRerouting {
+        String toString() {
+            return "Flow rerouting"
+        }
+    },
+    SetTheFlowStatusToDown {
+        String toString() {
+            return "Set the flow status to down."
+        }
+    },
+    FlowWasValidatedSuccessfully {
+        String toString() {
+            return "Flow was validated successfully"
+        }
+    },
+}