Add some more tests regarding async assertions and t.plan

Author: ariporad

test/test.js

@@ -459,3 +459,19 @@ test('number of assertions matches t.plan when the test exits, but before all pr
 		t.end();
 	})
 });
+
+test('number of assertions doesn\'t t.plan when the test exits, but before all promises resolve another is added', function (t) {
+	ava(function (a) {
+		a.plan(3);
+		a.throws(delay(Promise.reject(new Error('foo')), 10), 'foo');
+		a.doesNotThrow(delay(Promise.resolve(), 10), 'foo');
+		setTimeout(function () {
+			a.throws(Promise.reject(new Error('foo')), 'foo');
+		}, 5);
+	}).run().catch(function(err) {
+		t.is(err.operator, 'plan');
+		t.is(err.actual, 2);
+		t.is(err.expected, 3);
+		t.end();
+	});
+});