fix parameters

Author: ben-kalmus

tests/CTS/requests/composition/updateSortingStrategyComposition.json

@@ -2,8 +2,10 @@
   {
     "parameters": {
       "compositionID": "my-compo",
-      "Price-asc": "products-low-to-high",
-      "Price-desc": "products-high-to-low"
+      "requestBody": {
+        "Price-asc": "products-low-to-high",
+        "Price-desc": "products-high-to-low"
+      }
     },
     "request": {
       "path": "/1/compositions/my-compo/sortingStrategy",