Add fixes for lint

Author: zobo

src/test/runTests.ts

@@ -14,7 +14,7 @@ async function main(): Promise<void> {
 
         // Download VS Code, unzip it and run the integration test
         await runTests({ extensionDevelopmentPath, extensionTestsPath })
-    } catch (err) {
+    } catch (err) { // eslint-disable-line @typescript-eslint/no-unused-vars
         // tslint:disable-next-line: no-console
         console.error('Failed to run tests')
         process.exit(1)

src/test/suite/index.ts

@@ -1,5 +1,5 @@
 import * as path from 'path'
-import Mocha = require('mocha')
+import { Mocha } from 'mocha'
 import { glob } from 'glob'
 
 export async function run(): Promise<void> {