promise-retry: add a retry function to abort early

src/test/promise-retry-test.js

@@ -35,4 +35,15 @@ describe('promiseRetry', function () {
 
         expect(result).to.be(42);
     });
+
+    it('can abort with 1 try only', async function () {
+        let tryCount = 0;
+        const [error] = await safe(promiseRetry({ times: 5, interval: 1000, retry: () => false }, async () => {
+            ++tryCount;
+            throw tryCount;
+        }));
+
+        expect(tryCount).to.be(1);
+        expect(error).to.be(1);
+    });
 });