fix incorrect contains on string for chapter8 finds

Author: lucasfcosta

chapter8/1_writing_end_to_end_tests/2_writing_your_first_tests/cypress/integration/itemSubmission.spec.js

@@ -46,7 +46,7 @@ describe("item submission", () => {
     cy.get("p")
       .then(p => {
         return Array.from(p).filter(p => {
-          return p.innerText.contains(
+          return p.innerText.includes(
             'The inventory has been updated - {"cheesecake":10}'
           );
         });
@@ -77,7 +77,7 @@ describe("item submission", () => {
     cy.get("p")
       .then(p => {
         return Array.from(p).filter(p => {
-          return p.innerText.contains(
+          return p.innerText.includes(
             'The inventory has been updated - {"cheesecake":10}'
           );
         });

chapter8/1_writing_end_to_end_tests/2_writing_your_first_tests/package-lock.json

@@ -46,7 +46,7 @@ describe("item submission", () => {
     cy.get("p")
       .then(p => {
         return Array.from(p).filter(p => {
-          return p.innerText.contains(
+          return p.innerText.includes(
             'The inventory has been updated - {"cheesecake":10}'
           );
         });
@@ -78,7 +78,7 @@ describe("item submission", () => {
     cy.get("p")
       .then(p => {
         return Array.from(p).filter(p => {
-          return p.innerText.contains(
+          return p.innerText.includes(
             'The inventory has been updated - {"cheesecake":10}'
           );
         });