tests: update test-command-template for the new {isodatesec} filter

tests/test-command-template

@@ -103,6 +103,7 b" hg log --template '{author|user}\\n'"
 hg log --template '{date|age}\n' > /dev/null || exit 1
 hg log --template '{date|date}\n'
 hg log --template '{date|isodate}\n'
+hg log --template '{date|isodatesec}\n'
 hg log --template '{date|rfc822date}\n'
 hg log --template '{desc|firstline}\n'
 hg log --template '{node|short}\n'

tests/test-command-template.out

@@ -517,6 +517,14 b' 1970-01-16 01:06 +0000'
 1970-01-14 21:20 +0000
 1970-01-13 17:33 +0000
 1970-01-12 13:46 +0000
[phone]:46:40 +0000
[phone]:40:01 +0000
[phone]:40:00 +0000
[phone]:53:20 +0000
[phone]:06:40 +0000
[phone]:20:00 +0000
[phone]:33:20 +0000
[phone]:46:40 +0000
 Mon, 12 Jan 1970 13:46:40 +0000
 Sun, 18 Jan 1970 08:40:01 +0000
 Sun, 18 Jan 1970 08:40:00 +0000