...
requires => {
        'DBIx::Class::Schema::Loader' => 0,   # <----- added line
    },
...

##</code><code>##

jose@jose-Aspire-1410:~/temp/perl/Test-DbicTaint$ ./Build testcover
t/00-load.t ....... 1/? 
#   Failed test 'use Test::DbicTaint;'
#   at t/00-load.t line 10.
Bailout called.  Further testing stopped:  
#     Tried to use 'Test::DbicTaint'.
#     Error:  Insecure dependency in eval while running with -T switch at /usr/local/lib/perl/5.14.2/Params/Util.pm line 167.
# Compilation failed in require at /usr/local/share/perl/5.14.2/Package/DeprecationManager.pm line 11.
# BEGIN failed--compilation aborted at /usr/local/share/perl/5.14.2/Package/DeprecationManager.pm line 11.
# Compilation failed in require at /usr/local/share/perl/5.14.2/Package/Stash.pm line 56.
# BEGIN failed--compilation aborted at /usr/local/share/perl/5.14.2/Package/Stash.pm line 56.
# Compilation failed in require at /usr/local/share/perl/5.14.2/namespace/clean.pm line 6.
# BEGIN failed--compilation aborted at /usr/local/share/perl/5.14.2/namespace/clean.pm line 6.
# Compilation failed in require at /usr/local/share/perl/5.14.2/DBIx/Class/Carp.pm line 18.
# BEGIN failed--compilation aborted at /usr/local/share/perl/5.14.2/DBIx/Class/Carp.pm line 18.
# Compilation failed in require at /usr/local/share/perl/5.14.2/DBIx/Class/Exception.pm line 6.
# BEGIN failed--compilation aborted at /usr/local/share/perl/5.14.2/DBIx/Class/Exception.pm line 6.
# Compilation failed in require at /usr/local/share/perl/5.14.2/DBIx/Class/Schema.pm line 6.
# BEGIN failed--compilation aborted at /usr/local/share/perl/5.14.2/DBIx/Class/Schema.pm line 6.
# Compilation failed in require at (eval 65)[/usr/share/perl/5.14/base.pm:90] line 2.
# 	...propagated at /usr/share/perl/5.14/base.pm line 93.
# BEGIN failed--compilation aborted at /usr/local/share/perl/5.14.2/DBIx/Class/Schema/Loader.pm line 5.
# Compilation failed in require at /home/jose/temp/perl/Test-DbicTaint/blib/lib/Test/DbicTaint.pm line 7.
# BEGIN failed--compilation aborted at /home/jose/temp/perl/Test-DbicTaint/blib/lib/Test/DbicTaint.pm line 7.
# Compilation failed in require at (eval 64)[/usr/share/perl/5.14/Test/More.pm:885] line 2.
# BEGIN failed--compilation aborted at (eval 64)[/usr/share/perl/5.14/Test/More.pm:885] line 2.
Use of uninitialized value $Test::DbicTaint::VERSION in concatenation (.) or string at t/00-load.t line 13.
# Looks like you failed 1 test of 1.
# Looks like your test exited with 255 just after 1.
FAILED--Further testing stopped.