feat: reduce confusion further

Author: cdhawke

specs/abtesting-v3/common/parameters.yml

@@ -138,7 +138,7 @@ filterEffects:
           description: Number of tracked searches removed from the A/B test.
           example: 237
 
-metric:
+createMetric:
   type: object
   description: Defines a metric to be retrieved during an A/B test.
   properties:

specs/abtesting-v3/paths/abtests.yml

@@ -25,9 +25,9 @@ post:
                 $ref: '../common/schemas/AddABTestsVariant.yml#/AddABTestsVariant'
             metrics:
               type: array
-              description: A/B test metrics involved in the test. Only these metrics will be considered when calculating results. 
+              description: A/B test metrics involved in the test. Only these metrics will be considered when calculating results.
               items:
-                $ref: '../common/parameters.yml#/metric'
+                $ref: '../common/parameters.yml#/createMetric'
             configuration:
               $ref: '../common/schemas/ABTest.yml#/ABTestConfiguration'
             endAt:

specs/abtesting-v3/paths/scheduleABTest.yml

@@ -28,7 +28,7 @@ post:
               type: array
               description: A/B test metrics involved in the test. Only these metrics will be considered when calculating results.
               items:
-                $ref: '../common/parameters.yml#/metric'
+                $ref: '../common/parameters.yml#/createMetric'
             configuration:
               $ref: '../common/schemas/ABTest.yml#/ABTestConfiguration'
             scheduledAt: