Temporal: Add a test for PlainTime#toZonedDateTime.

test/built-ins/Temporal/PlainTime/prototype/toZonedDateTime/argument-propertybag-missing-properties.js

@@ -0,0 +1,22 @@
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.plaintime.tozoneddatetime
+description: Both plainDate and timeZone properties need to not be undefined.
+features: [Temporal]
+---*/
+
+const instance = new Temporal.PlainTime();
+const plainDate = new Temporal.PlainDate(2022, 5, 19);
+const timeZone = new Temporal.TimeZone("UTC");
+assert.throws(TypeError, () => instance.toZonedDateTime({}),
+  "no properties");
+assert.throws(TypeError, () => instance.toZonedDateTime({ plainDate }),
+  "only plainDate");
+assert.throws(TypeError, () => instance.toZonedDateTime({ plainDate, timeZone: undefined }),
+  "timeZone explicitly undefined");
+assert.throws(TypeError, () => instance.toZonedDateTime({ timeZone }),
+  "only timeZone");
+assert.throws(TypeError, () => instance.toZonedDateTime({ plainDate: undefined, timeZone }),
+  "plainDate explicitly undefined");