Remove chai

Recent versions of chai use ES Modules,
which makes it hard to use.

Use nodejs' built-in assertion library instead,
which should be sufficient for this project.

Signed-off-by: David Thompson <davthomp@redhat.com>

Author: datho7561

package-lock.json

@@ -262,16 +262,12 @@
   },
   "devDependencies": {
     "@eslint/js": "^9.34.0",
-    "@types/chai": "^4.3.16",
-    "@types/chai-fs": "^2.0.5",
     "@types/fs-extra": "^11.0.4",
     "@types/mocha": "^10.0.10",
     "@types/node": "18.19",
     "@types/semver": "^7.7.0",
     "@types/vscode": "^1.65.0",
     "@vscode/test-electron": "^2.5.2",
-    "chai": "^4.5.0",
-    "chai-fs": "^2.0.0",
     "eslint": "^9.34.0",
     "eslint-webpack-plugin": "^5.0.2",
     "fs-extra": "^11.3.1",

package.json

@@ -1,10 +1,9 @@
 import * as vscode from 'vscode';
-import { expect } from 'chai';
+import * as assert from 'assert';
 
 describe('VS Code extension tests', () => {
 
   it('should be present', () => {
-    // eslint-disable-next-line @typescript-eslint/no-unused-expressions
-    expect(vscode.extensions.getExtension('redhat.vscode-microprofile')).to.be.ok;
+    assert.ok(vscode.extensions.getExtension('redhat.vscode-microprofile'));
   });
 });