removing minLength restriction if the allowed amounts happen to be zero. (#904)

Author: shaselton-usds

schemas/allowed-amounts/allowed-amounts.json

@@ -225,8 +225,7 @@
       "items": {
         "$ref": "#/definitions/out_of_network"
       },
-      "default": [],
-      "minItems": 1
+      "default": []
     }
   },
   "if": {

tests/spec/libs/allowed-amounts/allowed-amounts_spec.rb

@@ -116,10 +116,10 @@ def validate_with_errors(json_data)
       expect(schemer.valid?(invalid_data)).to be_falsey
     end
 
-    it "rejects empty out_of_network array" do
+    it "allows for an empty out_of_network array" do
       invalid_data = valid_data.dup
       invalid_data["out_of_network"] = []
-      expect(schemer.valid?(invalid_data)).to be_falsey
+      expect(schemer.valid?(invalid_data)).to be_truthy
     end
 
     it "rejects empty payments array" do