autotest error - `slice': can't convert Regexp into Integer (TypeError) ???

Hi,

Just downloaded ZenTest and ran however I'm getting the following
error. Any ideas?

/Users/greg/.autotest:11:in `slice': can't convert Regexp into Integer
(TypeError)
        from /Users/greg/.autotest:11
        from /opt/local/lib/ruby/gems/1.8/gems/ZenTest-3.10.0/lib/autotest.rb:637:in
`[]'
        from /opt/local/lib/ruby/gems/1.8/gems/ZenTest-3.10.0/lib/autotest.rb:637:in
`hook'
        from /opt/local/lib/ruby/gems/1.8/gems/ZenTest-3.10.0/lib/autotest.rb:191:in
`any?'
        from /opt/local/lib/ruby/gems/1.8/gems/ZenTest-3.10.0/lib/autotest.rb:636:in
`each'
        from /opt/local/lib/ruby/gems/1.8/gems/ZenTest-3.10.0/lib/autotest.rb:636:in
`any?'
        from /opt/local/lib/ruby/gems/1.8/gems/ZenTest-3.10.0/lib/autotest.rb:636:in
`hook'
        from /opt/local/lib/ruby/gems/1.8/gems/ZenTest-3.10.0/lib/autotest.rb:271:in
`run_tests'
        from /opt/local/lib/ruby/gems/1.8/gems/ZenTest-3.10.0/lib/autotest.rb:228:in
`get_to_green'
        from /opt/local/lib/ruby/gems/1.8/gems/ZenTest-3.10.0/lib/autotest.rb:208:in
`run'
        from /opt/local/lib/ruby/gems/1.8/gems/ZenTest-3.10.0/lib/autotest.rb:206:in
`loop'
        from /opt/local/lib/ruby/gems/1.8/gems/ZenTest-3.10.0/lib/autotest.rb:206:in
`run'
        from /opt/local/lib/ruby/gems/1.8/gems/ZenTest-3.10.0/lib/autotest.rb:136:in
`run'
        from /opt/local/lib/ruby/gems/1.8/gems/ZenTest-3.10.0/bin/autotest:55
        from /opt/local/bin/autotest:19:in `load'
        from /opt/local/bin/autotest:19

I'm on Mac, Leopard, with:

Macintosh:testapp2 greg$ ruby -v
ruby 1.8.6 (2007-09-23 patchlevel 110) [i686-darwin9.3.0]
Macintosh:testapp2 greg$ rails -v
Rails 2.1.0
Macintosh:testapp2 greg$ gem -v
1.1.1
Macintosh:testapp2 greg$ gem list

*** LOCAL GEMS ***

actionmailer (2.1.0, 2.0.2, 1.3.3)
actionpack (2.1.0, 2.0.2, 1.13.6, 1.13.3)
actionwebservice (1.2.6, 1.2.3)
activerecord (2.1.0, 2.0.2, 1.15.6, 1.15.3)
activeresource (2.1.0, 2.0.2)
activesupport (2.1.0, 2.0.2, 1.4.4, 1.4.2)
capistrano (2.4.2, 2.2.0, 2.0.0)
cgi_multipart_eof_fix (2.5.0, 2.2)
daemons (1.0.10, 1.0.7)
fastthread (1.0.1, 1.0)
gem_plugin (0.2.3, 0.2.2)
gruff (0.3.1)
highline (1.4.0, 1.2.9)
hoe (1.7.0, 1.5.1)
hpricot (0.6)
linecache (0.42)
mechanize (0.7.5)
mongrel (1.1.4, 1.0.1)
needle (1.3.0)
net-scp (1.0.0)
net-sftp (2.0.0, 1.1.1, 1.1.0)
net-ssh (2.0.0, 1.1.2)
net-ssh-gateway (1.0.0)
ParseTree (1.7.1)
ParseTreeReloaded (0.0.1)
rails (2.1.0, 2.0.2, 1.2.3)
rake (0.8.1, 0.7.3)
rmagick (1.15.7)
rspec (1.1.4)
ruby-debug-base (0.10.0, 0.9.3)
ruby-debug-ide (0.1.10, 0.1.8)
ruby2ruby (1.1.6)
rubyforge (1.0.0, 0.4.5)
rubygems-update (1.1.1, 1.1.0)
RubyInline (3.6.7)
RubyInlineAcceleration (0.0.1)
runt (0.6.0)
sources (0.0.1)
ZenTest (3.10.0)
Macintosh:testapp2 greg$