Cypress test for issue 1870 (#2016)

* Cypress test for issue 1870

* Applying comments.

Refactoring the test code.

Co-authored-by: Dmitry Kruchinin <dmitryx.kruchinin@intel.com>

tests/cypress/integration/issue_1870_cursor_not_jump_to_end.js

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2020 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+/// <reference types="cypress" />
+
+context('Checks that the cursor doesn\'t automatically jump to the end of a word when the attribute value changes', () => {
+
+    const issueId = '1870'
+    const labelName = `Issue ${issueId}`
+    const taskName = `New annotation task for ${labelName}`
+    const attrName = `Attr for ${labelName}`
+    const textDefaultValue = 'text'
+    const image = `image_${issueId}.png`
+    const newLabelAttrValue = 'teeext'
+    const width = 800
+    const height = 800
+    const posX=10
+    const posY=10
+    const color='gray'
+
+    before(() => {
+        cy.visit('auth/login')
+        cy.login()
+        cy.imageGenerator('cypress/fixtures', image, width, height, color, posX, posY, labelName)
+        cy.createAnnotationTask(taskName, labelName, attrName, textDefaultValue, image)
+        cy.openTaskJob(taskName)
+        cy.createShape(309, 431, 616, 671)
+    })
+
+    describe(`Testing issue "${issueId}"`, () => {
+        it('Enter 2 characters in the middle of the word attribute value and check the result', () => {
+            cy.get('#cvat-objects-sidebar-state-item-1')
+            .find('.ant-collapse-item')
+            .click()
+            .find('.cvat-object-item-text-attribute')
+            .type('{leftarrow}{leftarrow}ee')
+            .should('have.value', newLabelAttrValue)
+        })
+    })
+})