Test for supported extension check

- Added:
  - `Supported dependent extension check` test:  
     Test the situation when non of the extensions listed in `haskutil.supportedDependencies` setting are currently installed

CHANGELOG.md

@@ -1,6 +1,11 @@
 # Change Log
 All notable changes to the "Haskutil" extension will be documented in this file.
 
+## [0.12.3] - 2023-08-31
+### Added
+* `Supported dependent extension check` test:  
+  Test the situation when non of the extensions listed in `haskutil.supportedDependencies` setting are currently installed
+
 ## [0.12.2] - 2023-08-31
 ### Changed
 * `Dependency not installed` warning message extension links:  

input/after/OK.hs

@@ -0,0 +1,4 @@
+
+main :: IO ()
+main =
+  return ()

input/before/OK.hs

@@ -0,0 +1,4 @@
+
+main :: IO ()
+main =
+  return ()

package.json

@@ -2,7 +2,7 @@
   "name": "haskutil",
   "displayName": "Haskutil",
   "description": "'QuickFix' actions for Haskell editor",
-  "version": "0.12.2",
+  "version": "0.12.3",
   "publisher": "Edka",
   "repository": {
     "url": "https://github.com/EduardSergeev/vscode-haskutil"
@@ -252,9 +252,9 @@
     "@istanbuljs/nyc-config-typescript": "1.0.2",
     "@types/chai": "4.3.5",
     "@types/mocha": "10.0.1",
-    "@types/node": "20.5.0",
+    "@types/node": "20.5.7",
     "@types/vscode": "1.48.0",
-    "@vscode/vsce": "2.20.1",
+    "@vscode/vsce": "2.21.0",
     "@vscode/test-electron": "2.3.4",
     "chai": "4.3.8",
     "mocha": "10.2.0",

src/test/extension.test.ts

@@ -0,0 +1,32 @@
+import * as vscode from 'vscode';
+import { runQuickfixTest, withTestDocument } from './utils';
+import { DiagnosticSeverity } from 'vscode';
+
+const configs = {
+  'haskutil.supportedDependencies': [{
+    id: 'invalid.id',
+    name: 'Some name'
+  }],
+};
+
+suite('', () => {
+  suiteSetup(async () => {
+    const config = vscode.workspace.getConfiguration();
+    for (const setting in configs) { 
+      await config.update(setting, configs[setting], true);
+    }
+  });
+
+  test('Supported dependent extension check', () => {
+    return withTestDocument('OK.hs', [DiagnosticSeverity.Hint, 0], async doc => {
+      const d = doc;
+    });
+  });
+
+  suiteTeardown(async () => {
+    const config = vscode.workspace.getConfiguration();
+    for (const setting in configs) { 
+      await config.update(setting, undefined, true);
+    }
+  });
+});

src/test/runTest.ts

@@ -40,7 +40,7 @@ async function main(): Promise<number> {
     // This is required for Mocha tests to report non-zero exit code in case of test failure
     process.removeAllListeners('exit');
 
-    // Download VS Code, unzip it and run the integration test
+    // Download VS Code, unzip it and run all integration tests
     return await runTests({
       vscodeExecutablePath,
       extensionDevelopmentPath,