disable test coverage integration tests (#4467)

* disable test coverage integration tests

* comment out everything

Author: gcampbell-msft

test/end-to-end-tests/single-root-UI/test/coverage.test.ts

@@ -1,4 +1,5 @@
-import { DefaultEnvironment, expect } from '@test/util';
+// Disable as it's blocking tests in PR's, we should investigate this further in order to re-enable.
+/**import { DefaultEnvironment, expect } from '@test/util';
 import * as vscode from 'vscode';
 import * as fs from 'fs';
 import * as path from 'path';
@@ -75,3 +76,4 @@ suite('Coverage integration', () => {
         expect(fs.existsSync(path.join(testEnv.projectFolder.location, testEnv.buildLocation, 'lcov.info'))).to.be.true;
     }).timeout(60000);
 });
+*/