fix(test): dedupe code

packages/indexer-nibi/src/batchHandlers/queryBatchHandler.test.ts

@@ -2,6 +2,14 @@ import { queryBatchHandler } from "./queryBatchHandler"
 import { communityPoolQueryString } from "../query/communityPool"
 import { delegationsQueryString } from "../query"
 
+const checkFields = (objects: any[], fields: any[]) => {
+  objects.forEach((obj: any) => {
+    fields.forEach((field: string | any[]) => {
+      expect(obj).toHaveProperty(field)
+    })
+  })
+}
+
 describe("queryBatchHandler tests", () => {
   test("queryBatchHandler", async () => {
     const resp = await queryBatchHandler(
@@ -20,20 +28,16 @@ describe("queryBatchHandler tests", () => {
     expect(resp).toHaveProperty("communityPool")
     expect(resp).toHaveProperty("delegations")
 
-    if ((resp.communityPool?.length ?? 0) > 0) {
-      const [communityPool] = resp.communityPool ?? []
-      const fields = ["amount", "denom"]
-      fields.forEach((field: string) => {
-        expect(communityPool).toHaveProperty(field)
-      })
+    if (resp.communityPool?.length) {
+      const [communityPool] = resp.communityPool
+      const communityPoolFields = ["amount", "denom"]
+      checkFields([communityPool], communityPoolFields)
     }
 
-    if ((resp.delegations?.length ?? 0) > 0) {
-      const [delegation] = resp.delegations ?? []
-      const fields = ["amount", "delegator", "validator"]
-      fields.forEach((field: string) => {
-        expect(delegation).toHaveProperty(field)
-      })
+    if (resp.delegations?.length) {
+      const [delegation] = resp.delegations
+      const delegationFields = ["amount", "delegator", "validator"]
+      checkFields([delegation], delegationFields)
     }
   })
 })