Revert "chore: fix types"

This reverts commit 691ddf4.

Author: danez

packages/react-docgen-cli/tests/integration/utils/withFixture.ts

@@ -1,5 +1,6 @@
 import { rm, stat } from 'fs/promises';
 import { dirname, join } from 'path';
+import type { ExecaError, ExecaReturnValue } from 'execa';
 import { execaNode } from 'execa';
 import copy from 'cpy';
 import { temporaryDirectory } from 'tempy';
@@ -14,19 +15,23 @@ export default async function withFixture(
   fixture: string,
   callback: (api: {
     dir: string;
-    run: (args: readonly string[]) => Promise<{
-      stdout: string;
-      stderr: string;
-      exitCode?: number;
-    }>;
+    run: (
+      args: readonly string[],
+    ) => Promise<{ stdout: string; stderr: string; exitCode: number }>;
   }) => Promise<void>,
 ): Promise<void> {
   const tempDir = temporaryDirectory();
 
-  async function run(args: readonly string[]) {
-    return await execaNode(cliBinary, args, {
-      cwd: tempDir,
-    });
+  async function run(
+    args: readonly string[],
+  ): Promise<ExecaError | ExecaReturnValue<string>> {
+    try {
+      return await execaNode(cliBinary, args, {
+        cwd: tempDir,
+      });
+    } catch (error) {
+      return error as ExecaError;
+    }
   }
 
   await stat(join(fixtureDir, fixture));