update prezto

.zprezto/modules/prompt/external/powerlevel9k/shunit2/examples/party_test.sh

@@ -0,0 +1,16 @@
+#! /bin/sh
+# file: examples/party_test.sh
+#
+# This test is mostly for fun. Technically, it is a bad example of a unit test
+# because of the temporal requirement, namely that the year be 1999. A better
+# test would have been to pass in both a known-bad and known-good year into a
+# function, and test for the expected result.
+
+testPartyLikeItIs1999() {
+  year=`date '+%Y'`
+  assertEquals "It's not 1999 :-(" \
+      '1999' "${year}"
+}
+
+# Load and run shUnit2.
+. ../shunit2