Use fs-extras and async methods for file manipulation

extensions/ql-vscode/src/vscode-tests/no-workspace/query-results.test.ts

@@ -189,9 +189,11 @@ describe("query-results", () => {
     const interpretedResultsPath = path.join(tmpDir.name, "interpreted.json");
     const sourceInfo = {};
 
-    beforeEach(() => {
+    beforeEach(async () => {
       spy.mockReturnValue({ a: "1234" });
 
+      await fs.ensureDir(path.basename(interpretedResultsPath));
+
       mockServer = {
         interpretBqrsSarif: spy,
       } as unknown as CodeQLCliServer;

extensions/ql-vscode/src/vscode-tests/no-workspace/remote-queries/remote-query-history.test.ts

@@ -129,8 +129,8 @@ describe("Remote queries and query history manager", () => {
       .mockResolvedValue(undefined as unknown as TextDocument);
   });
 
-  afterEach(() => {
-    deleteHistoryState();
+  afterEach(async () => {
+    await deleteHistoryState();
     disposables.dispose(testDisposeHandler);
   });
 
@@ -505,8 +505,9 @@ describe("Remote queries and query history manager", () => {
   });
 
   async function copyHistoryState() {
-    fs.ensureDirSync(STORAGE_DIR);
-    fs.copySync(
+    await fs.ensureDir(STORAGE_DIR);
+    await fs.ensureDir(path.join(tmpDir.name, "remote-queries"));
+    await fs.copy(
       path.join(__dirname, "../data/remote-queries/"),
       path.join(tmpDir.name, "remote-queries"),
     );
@@ -517,13 +518,8 @@ describe("Remote queries and query history manager", () => {
     }
   }
 
-  function deleteHistoryState() {
-    fs.rmSync(STORAGE_DIR, {
-      recursive: true,
-      force: true,
-      maxRetries: 10,
-      retryDelay: 100,
-    });
+  async function deleteHistoryState() {
+    await fs.remove(STORAGE_DIR);
   }
 
   function replacePlaceholder(filePath: string) {