fix tests because of changed execution yaml

theodolite/src/test/resources/k8s-resource-files/test-execution-update.yaml

@@ -13,10 +13,11 @@ spec:
     resourceValues: [ 1, 2, 3, 4, 5 ]
   slos:
     - sloType: "lag trend"
-      threshold: 2000
       prometheusUrl: "http://prometheus-operated:9090"
-      externalSloUrl: "http://localhost:80/evaluate-slope"
       offset: 0
+      properties:
+        threshold: 2000
+        externalSloUrl: "http://localhost:80/evaluate-slope"
         warmup: 60 # in seconds
   execution:
     strategy: "LinearSearch"

theodolite/src/test/resources/k8s-resource-files/test-execution.yaml

@@ -13,10 +13,11 @@ spec:
     resourceValues: [ 1, 2, 3, 4, 5 ]
   slos:
     - sloType: "lag trend"
-      threshold: 2000
       prometheusUrl: "http://prometheus-operated:9090"
-      externalSloUrl: "http://localhost:80/evaluate-slope"
       offset: 0
+      properties:
+        threshold: 2000
+        externalSloUrl: "http://localhost:80/evaluate-slope"
         warmup: 60 # in seconds
   execution:
     strategy: "LinearSearch"