Trailing args grabs all trailing arguments as a single passed
parameter. This is useful when you want to have trailing arguments
that contain / in them.
$expected is the first argument. Now certain test results start to make
sense:
1) MultibyteTest::testUsingMbStrtolower
Failed asserting that two strings are equal.
--- Expected
+++ Actual
@@ @@
-ႠႡႢႣႤႥႦႧႨႩႪႫႬႭႮႯႰႱႲႳႴႵႶႷႸႹႺႻႼႽႾႿჀჁჂჃჄჅ
+ⴀⴁⴂⴃⴄⴅⴆⴇⴈⴉⴊⴋⴌⴍⴎⴏⴐⴑⴒⴓⴔⴕⴖⴗⴘⴙⴚⴛⴜⴝⴞⴟⴠⴡⴢⴣⴤⴥ