Use jest's expect in UTs

e2e/tests/auth.test.ts

@@ -1,4 +1,3 @@
-import { expect } from 'chai';
 import { before, after, EditorView, Workbench, By, ActivityBar, SideBarView } from 'vscode-extension-tester';
 
 describe('Auth User', async () => {
@@ -27,11 +26,11 @@ describe('Auth User', async () => {
 
     it('in SideBarView should see Create issue... button', async () => {
         const atlasDrawer = sideBarView.findElement(By.id('workbench.view.extension.atlascode-drawer'));
-        expect(atlasDrawer).to.not.be.undefined;
+        expect(atlasDrawer).toBeDefined();
 
         const createIssueButton = atlasDrawer.findElement(By.css('[aria-label="Create issue..."]'));
-        expect(createIssueButton).to.not.be.undefined;
-        expect(await createIssueButton.getText()).to.equal('Create issue...');
+        expect(createIssueButton).toBeDefined();
+        expect(await createIssueButton.getText()).toEqual('Create issue...');
     });
 
     it('in SideBarView should see a assigned JIRA issues', async () => {});

e2e/tests/no-auth.test.ts

@@ -1,4 +1,3 @@
-import { expect } from 'chai';
 import { before, ActivityBar, after, SideBarView, By, EditorView, Workbench } from 'vscode-extension-tester';
 
 describe('Atlassian Extension Activity Bar', async () => {
@@ -15,7 +14,7 @@ describe('Atlassian Extension Activity Bar', async () => {
         // Get title from every control
         const titles = await Promise.all(controls.map(async (control) => control.getTitle()));
 
-        expect('Atlassian').to.be.oneOf(titles);
+        expect(titles).toContain('Atlassian');
     });
 });
 
@@ -41,12 +40,12 @@ describe('Atlassian Extension SideBar', async () => {
 
     it('should have a login action suggestion', async () => {
         const atlasDrawer = sideBarView.findElement(By.id('workbench.view.extension.atlascode-drawer'));
-        expect(atlasDrawer).to.not.be.undefined;
+        expect(atlasDrawer).toBeDefined();
 
         // find element by aria-label: "Please login to Jira"
         const loginButton = atlasDrawer.findElement(By.css('[aria-label="Please login to Jira"]'));
-        expect(loginButton).to.not.be.undefined;
-        expect(await loginButton.getText()).to.equal('Please login to Jira');
+        expect(loginButton).toBeDefined();
+        expect(await loginButton.getText()).toEqual('Please login to Jira');
     });
 });
 

package.json

@@ -1530,7 +1530,6 @@
         "ajv-formats": "^3.0.1",
         "autoprefixer": "^10.4.20",
         "babel-loader": "^9.2.1",
-        "chai": "^4",
         "concurrently": "^9.1.2",
         "cross-env": "^7.0.2",
         "css-loader": "^7.1.2",