diff --git a/test.js b/test.js
index 2e28515..3b508c2 100644
--- a/test.js
+++ b/test.js
@@ -215,7 +215,15 @@ test('handle negative millisecond values', t => {
 });
 
 test('errors', t => {
-	t.throws(() => parseMilliseconds('string'));
-	t.throws(() => parseMilliseconds(Number.NaN));
-	t.throws(() => parseMilliseconds(Number.POSITIVE_INFINITY));
+	t.throws(() => {
+		parseMilliseconds('string');
+	});
+
+	t.throws(() => {
+		parseMilliseconds(Number.NaN);
+	});
+
+	t.throws(() => {
+		parseMilliseconds(Number.POSITIVE_INFINITY);
+	});
 });