implement hasKeys check

structs.go

@@ -24,6 +24,7 @@ type TestCase struct {
 	ResultStatusCode int
 	ResultHeaders    map[string][]string
 	ResultBody       string
+	ResultBodyMap    map[string]interface{}
 }
 
 type CaptureCase struct {
@@ -62,7 +63,7 @@ type HeaderTests struct {
 type BodyTests struct {
 	Contains     map[string]string
 	Equals       map[string]string
-	HasKeys      map[string]string
+	HasKeys      []string
 	PathEquals   string
 	PathContains map[string]string
 }