Add blocking dependency test

central_backend/engine_test/test_blocking_on_dependency.yaml

@@ -0,0 +1,44 @@
+devices:
+  - id: dev1
+    info:
+      reference: A
+      version: 0.0.1
+      max_relays: 1
+    time_create: 1
+    time_update: 1
+    name: Dev1
+    description: Day1
+    validated: true
+    enabled: true
+    relays:
+      - id: dcb3fd91-bf9b-4de3-99e5-92c1c7dd72e9
+        name: R1
+        enabled: true
+        priority: 1
+        consumption: 100
+        minimal_uptime: 10
+        minimal_downtime: 1000
+        depends_on: []
+        conflicts_with: []
+
+        on: true
+        for: 50000
+        should_be_on: true
+
+      - id: 88888888-bf9b-4de3-99e5-92c1c7dd72e8
+        name: R2
+        enabled: true
+        priority: 1
+        consumption: 100
+        minimal_uptime: 10
+        minimal_downtime: 1000
+        depends_on: [ dcb3fd91-bf9b-4de3-99e5-92c1c7dd72e9 ]
+        conflicts_with: [ ]
+
+        on: true
+        for: 5
+        should_be_on: true
+
+    online: true
+
+curr_consumption: 100000