Fix failing tests

common/api.yaml

@@ -60,6 +60,29 @@ paths:
           description: The users could not be found.
 
   /user/{userId}/allowance:
+    get:
+      summary: Gets the allowance breakdown of a user
+      parameters:
+        - in: path
+          name: userId
+          description: The user ID
+          required: true
+          schema:
+            type: integer
+      responses:
+        200:
+          description: Information about the allowance of the user
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  allowance:
+                    type: integer
+                    description: The total allowance value of the user, in cents.
+                  goals:
+                    type: array
+                    $ref: "#/components/schemas/goal"
     post:
       summary: Updates the allowance of a user
       parameters: