No need to save return error of attempt twice

Author: qlonik

lib/test.js

@@ -91,11 +91,7 @@ function tryTest(fn) {
 		.forAttempt(t => fn.apply(null, [t].concat(args)))
 		.run();
 
-	this.addPendingAttemptAssertion(running.then(ret => {
-		if (!discarded && !ret.passed) {
-			throw ret.error;
-		}
-	}));
+	this.addPendingAttemptAssertion();
 
 	const finishedRunning = running.then(ret => {
 		if (discarded) {
@@ -306,13 +302,12 @@ class Test {
 		this.saveFirstError(error);
 	}
 
-	addPendingAttemptAssertion(promise) {
+	addPendingAttemptAssertion() {
 		if (this.finishing) {
 			this.saveFirstError(new Error('Assertion passed, but test has already finished'));
 		}
 
 		this.pendingAttemptCount++;
-		promise.catch(error => this.saveFirstError(error));
 	}
 
 	decrementAttemptAssertion() {