diff --git a/src/__tests__/management.spec.ts b/src/__tests__/management.spec.ts
index 0f1533d..0e2ef20 100644
--- a/src/__tests__/management.spec.ts
+++ b/src/__tests__/management.spec.ts
@@ -132,7 +132,7 @@ describe("Management", (): void => {
 
     describe("MerchantAccount", (): void => {
         it("should support GET /merchants", async (): Promise<void> => {
-            scope.get(`/merchants?pageNumber=1&pageSize=1`)
+            scope.get("/merchants?pageNumber=1&pageSize=1")
                 .reply(200, responses.listMerchantResponse);
 
             const response: models.ListMerchantResponse = await management.MerchantAccount.list({
@@ -146,7 +146,7 @@ describe("Management", (): void => {
         });
 
         it("should support POST /merchants", async (): Promise<void> => {
-            scope.post(`/merchants`)
+            scope.post("/merchants")
                 .reply(200, responses.createMerchantResponse);
 
             const response: models.CreateMerchantResponse = await management.MerchantAccount.create(requests.createMerchantRequest);
@@ -641,10 +641,10 @@ describe("Management", (): void => {
         });
 
         it("should support POST /merchants/{merchantId}/webhooks/{webhookId}/test", async (): Promise<void> => {
-            scope.post(`/merchants/${merchantId}/webhooks/${webhookId}/test`, /2022-07-15T00:00:00.000Z/)
+            scope.post(`/merchants/${merchantId}/webhooks/${webhookId}/test`)
                 .reply(200, responses.testWebhookResponse);
 
-            let testWebhookRequest = {
+            const testWebhookRequest: models.TestWebhookRequest = {
                 "notification": {
                     "amount": {
                         "currency": "string",
diff --git a/src/__tests__/terminalCloudAPI.spec.ts b/src/__tests__/terminalCloudAPI.spec.ts
index c51f166..30b2a44 100644
--- a/src/__tests__/terminalCloudAPI.spec.ts
+++ b/src/__tests__/terminalCloudAPI.spec.ts
@@ -23,7 +23,7 @@ import { asyncRes } from "../__mocks__/terminalApi/async";
 import { syncRefund, syncRes, syncResEventNotification } from "../__mocks__/terminalApi/sync";
 import Client from "../client";
 import TerminalCloudAPI from "../services/terminalCloudAPI";
-import { TerminalApiResponse } from "../typings/terminal/models";
+import { SaleToAcquirerData, TerminalApiResponse } from "../typings/terminal/models";
 
 let client: Client;
 let terminalCloudAPI: TerminalCloudAPI;
@@ -94,7 +94,9 @@ describe("Terminal Cloud API", (): void => {
         const terminalAPIRefundRequest = createTerminalAPIRefundRequest(pOITransactionId);
         const id = Math.floor(Math.random() * Math.floor(10000000)).toString();
         terminalAPIRefundRequest.SaleToPOIRequest.MessageHeader.ServiceID = id;
-        terminalAPIRefundRequest.SaleToPOIRequest.ReversalRequest!.SaleData!.SaleToAcquirerData!.currency = "EUR";
+        const saleToAcquirerData: SaleToAcquirerData = new SaleToAcquirerData();
+        saleToAcquirerData.currency = "EUR";
+        terminalAPIRefundRequest.SaleToPOIRequest.ReversalRequest!.SaleData!.SaleToAcquirerData = saleToAcquirerData;
         const terminalAPIRefundResponse = await terminalCloudAPI.sync(terminalAPIRefundRequest);
 
         expect(terminalAPIRefundResponse.SaleToPOIResponse?.ReversalResponse?.Response.Result).toBe("Success");