test: Fix flaky grid flaky test

Simplified test case as bit

cypress/integration/grid_keyboard_shortcut.js

@@ -1,48 +1,39 @@
 context('Grid Keyboard Shortcut', () => {
 	let total_count = 0;
-	beforeEach(() => {
-		cy.login();
-		cy.visit('/app/doctype/User');
-	});
 	before(() => {
 		cy.login();
-		cy.visit('/app/doctype/User');
-		return cy.window().its('frappe').then(frappe => {
-			frappe.db.count('DocField', {
-				filters: {
-					'parent': 'User', 'parentfield': 'fields', 'parenttype': 'DocType'
-				}
-			}).then((r) => {
-				total_count = r;
-			});
-		});
+	})
+	beforeEach(() => {
+		cy.reload();
+		cy.visit('/app/contact/new-contact-1');
+		cy.get('.frappe-control[data-fieldname="email_ids"]').find(".grid-add-row").click()
 	});
 	it('Insert new row at the end', () => {
 		cy.add_new_row_in_grid('{ctrl}{shift}{downarrow}', (cy, total_count) => {
-			cy.get('[data-name="new-docfield-1"]').should('have.attr', 'data-idx', `${total_count+1}`);
+			cy.get('[data-name="new-contact-email-1"]').should('have.attr', 'data-idx', `${total_count+1}`);
 		}, total_count);
 	});
 	it('Insert new row at the top', () => {
 		cy.add_new_row_in_grid('{ctrl}{shift}{uparrow}', (cy) => {
-			cy.get('[data-name="new-docfield-1"]').should('have.attr', 'data-idx', '1');
+			cy.get('[data-name="new-contact-email-1"]').should('have.attr', 'data-idx', '2');
 		});
 	});
 	it('Insert new row below', () => {
 		cy.add_new_row_in_grid('{ctrl}{downarrow}', (cy) => {
-			cy.get('[data-name="new-docfield-1"]').should('have.attr', 'data-idx', '2');
+			cy.get('[data-name="new-contact-email-1"]').should('have.attr', 'data-idx', '1');
 		});
 	});
 	it('Insert new row above', () => {
 		cy.add_new_row_in_grid('{ctrl}{uparrow}', (cy) => {
-			cy.get('[data-name="new-docfield-1"]').should('have.attr', 'data-idx', '1');
+			cy.get('[data-name="new-contact-email-1"]').should('have.attr', 'data-idx', '2');
 		});
 	});
 });
 
 Cypress.Commands.add('add_new_row_in_grid', (shortcut_keys, callbackFn, total_count) => {
-	cy.get('.frappe-control[data-fieldname="fields"]').as('table');
-	cy.get('@table').find('.grid-body .col-xs-2').first().click();
-	cy.get('@table').find('.grid-body .col-xs-2')
+	cy.get('.frappe-control[data-fieldname="email_ids"]').as('table');
+	cy.get('@table').find('.grid-body [data-fieldname="email_id"]').first().click();
+	cy.get('@table').find('.grid-body [data-fieldname="email_id"]')
 		.first().type(shortcut_keys);
 
 	callbackFn(cy, total_count);