Revert "No timeout expiration on node blocks exit"

This reverts commit f032369.

Author: dubzzz

src/check/property/TimeoutProperty.ts

@@ -3,15 +3,12 @@ import { Shrinkable } from '../arbitrary/definition/Shrinkable';
 import { IProperty } from './IProperty';
 
 /** @hidden */
-const timeoutAfter = (timeMs: number) => {
-  let timeoutHandle: (ReturnType<typeof setTimeout>) | null = null;
-  const promise = new Promise<string>((resolve, reject) => {
-    timeoutHandle = setTimeout(() => {
+const timeoutAfter = async (timeMs: number) =>
+  new Promise<string>((resolve, reject) =>
+    setTimeout(() => {
       resolve(`Property timeout: exceeded limit of ${timeMs} milliseconds`);
-    }, timeMs);
-  });
-  return { clear: () => clearTimeout(timeoutHandle!), promise };
-};
+    }, timeMs)
+  );
 
 /** @hidden */
 export class TimeoutProperty<Ts> implements IProperty<Ts> {
@@ -21,9 +18,6 @@ export class TimeoutProperty<Ts> implements IProperty<Ts> {
     return this.property.generate(mrng, runId);
   }
   async run(v: Ts) {
-    const t = timeoutAfter(this.timeMs);
-    const propRun = Promise.race([this.property.run(v), t.promise]);
-    propRun.then(t.clear, t.clear); // always clear timeout handle (equivalent to finally)
-    return propRun;
+    return Promise.race([this.property.run(v), timeoutAfter(this.timeMs)]);
   }
 }