MySQL:

[INF] ce (lib/phpunit.php:159) Installing blocktype.blog/taggedposts
[DBG] ce (lib/dml.php:150) mysqli error: [1050: Table 'tst_blocktype_taggedposts_tags' already exists] in adodb_throw(CREATE TABLE tst_blocktype_taggedposts_tags (
[DBG] ce (lib/dml.php:150)     id BIGINT(10) NOT NULL auto_increment,
[DBG] ce (lib/dml.php:150)     block_instance BIGINT(10) NOT NULL,
[DBG] ce (lib/dml.php:150)     tag VARCHAR(128) NOT NULL,
[DBG] ce (lib/dml.php:150)     tagtype BIGINT(10) NOT NULL,
[DBG] ce (lib/dml.php:150) CONSTRAINT  PRIMARY KEY (id)
[DBG] ce (lib/dml.php:150) )ENGINE=innodb, )
[DBG] ce (lib/dml.php:150) Command was: CREATE TABLE tst_blocktype_taggedposts_tags (
[DBG] ce (lib/dml.php:150)     id BIGINT(10) NOT NULL auto_increment,
[DBG] ce (lib/dml.php:150)     block_instance BIGINT(10) NOT NULL,
[DBG] ce (lib/dml.php:150)     tag VARCHAR(128) NOT NULL,
[DBG] ce (lib/dml.php:150)     tagtype BIGINT(10) NOT NULL,
[DBG] ce (lib/dml.php:150) CONSTRAINT  PRIMARY KEY (id)
[DBG] ce (lib/dml.php:150) )ENGINE=innodb
[DBG] ce (lib/ddl.php:753) Array
[DBG] ce (lib/ddl.php:753) (
[DBG] ce (lib/ddl.php:753)     [0] => CREATE TABLE tst_blocktype_taggedposts_tags (
[DBG] ce (lib/ddl.php:753)     id BIGINT(10) NOT NULL auto_increment,
[DBG] ce (lib/ddl.php:753)     block_instance BIGINT(10) NOT NULL,
[DBG] ce (lib/ddl.php:753)     tag VARCHAR(128) NOT NULL,
[DBG] ce (lib/ddl.php:753)     tagtype BIGINT(10) NOT NULL,
[DBG] ce (lib/ddl.php:753) CONSTRAINT  PRIMARY KEY (id)
[DBG] ce (lib/ddl.php:753) )ENGINE=innodb
[DBG] ce (lib/ddl.php:753) )
[DBG] ce (lib/ddl.php:753) 
PHP Fatal error:  Uncaught exception 'SQLException' with message 'Failed to install (check logs for xmldb errors)' in /home/aaronw/www/mahara/htdocs/lib/ddl.php:754
Stack trace:
#0 /home/aaronw/www/mahara/htdocs/lib/upgrade.php(429): install_from_xmldb_file('/home/aaronw/ww...')
#1 /home/aaronw/www/mahara/htdocs/lib/phpunit.php(173): upgrade_plugin(Object(stdClass))
#2 /home/aaronw/www/mahara/htdocs/lib/tests/phpunit/bootstrap.php(34): UnitTestBootstrap->install_mahara()
#3 /home/aaronw/www/mahara/external/vendor/phpunit/phpunit/PHPUnit/Util/Fileloader.php(92): include_once('/home/aaronw/ww...')
#4 /home/aaronw/www/mahara/external/vendor/phpunit/phpunit/PHPUnit/Util/Fileloader.php(76): PHPUnit_Util_Fileloader::load('/home/aaronw/ww...')
#5 /home/aaronw/www/mahara/external/vendor/phpunit/phpunit/PHPUnit/TextUI/Command.php(778): PHPUnit_Util_Fileloader::checkAndLoad('/home/aaronw/ww...')
#6 /home/aaronw/www/mahara/external/vendor/phpunit/phpunit/PHPUnit/TextUI/Command.php(606): PHPUnit_TextUI_Command->handleBootstrap('/home/aaro in /home/aaronw/www/mahara/htdocs/lib/ddl.php on line 754

Fatal error: Uncaught exception 'SQLException' with message 'Failed to install (check logs for xmldb errors)' in /home/aaronw/www/mahara/htdocs/lib/ddl.php:754
Stack trace:
#0 /home/aaronw/www/mahara/htdocs/lib/upgrade.php(429): install_from_xmldb_file('/home/aaronw/ww...')
#1 /home/aaronw/www/mahara/htdocs/lib/phpunit.php(173): upgrade_plugin(Object(stdClass))
#2 /home/aaronw/www/mahara/htdocs/lib/tests/phpunit/bootstrap.php(34): UnitTestBootstrap->install_mahara()
#3 /home/aaronw/www/mahara/external/vendor/phpunit/phpunit/PHPUnit/Util/Fileloader.php(92): include_once('/home/aaronw/ww...')
#4 /home/aaronw/www/mahara/external/vendor/phpunit/phpunit/PHPUnit/Util/Fileloader.php(76): PHPUnit_Util_Fileloader::load('/home/aaronw/ww...')
#5 /home/aaronw/www/mahara/external/vendor/phpunit/phpunit/PHPUnit/TextUI/Command.php(778): PHPUnit_Util_Fileloader::checkAndLoad('/home/aaronw/ww...')
#6 /home/aaronw/www/mahara/external/vendor/phpunit/phpunit/PHPUnit/TextUI/Command.php(606): PHPUnit_TextUI_Command->handleBootstrap('/home/aaro in /home/aaronw/www/mahara/htdocs/lib/ddl.php on line 754
make: *** [phpunit] Error 255

Postgres:

[INF] ff (lib/phpunit.php:159) Installing blocktype.blog/taggedposts
[DBG] ff (lib/dml.php:150) postgres8 error: [-5: ERROR:  relation "tst_blocktype_taggedposts_tags" already exists] in adodb_throw(CREATE TABLE tst_blocktype_taggedposts_tags (
[DBG] ff (lib/dml.php:150)     id BIGSERIAL,
[DBG] ff (lib/dml.php:150)     block_instance BIGINT NOT NULL,
[DBG] ff (lib/dml.php:150)     tag VARCHAR(128) NOT NULL,
[DBG] ff (lib/dml.php:150)     tagtype BIGINT NOT NULL,
[DBG] ff (lib/dml.php:150) CONSTRAINT tst_bloctaggtags_id_pk PRIMARY KEY (id)
[DBG] ff (lib/dml.php:150) ), )
[DBG] ff (lib/dml.php:150) Command was: CREATE TABLE tst_blocktype_taggedposts_tags (
[DBG] ff (lib/dml.php:150)     id BIGSERIAL,
[DBG] ff (lib/dml.php:150)     block_instance BIGINT NOT NULL,
[DBG] ff (lib/dml.php:150)     tag VARCHAR(128) NOT NULL,
[DBG] ff (lib/dml.php:150)     tagtype BIGINT NOT NULL,
[DBG] ff (lib/dml.php:150) CONSTRAINT tst_bloctaggtags_id_pk PRIMARY KEY (id)
[DBG] ff (lib/dml.php:150) )
[DBG] ff (lib/ddl.php:753) Array
[DBG] ff (lib/ddl.php:753) (
[DBG] ff (lib/ddl.php:753)     [0] => CREATE TABLE tst_blocktype_taggedposts_tags (
[DBG] ff (lib/ddl.php:753)     id BIGSERIAL,
[DBG] ff (lib/ddl.php:753)     block_instance BIGINT NOT NULL,
[DBG] ff (lib/ddl.php:753)     tag VARCHAR(128) NOT NULL,
[DBG] ff (lib/ddl.php:753)     tagtype BIGINT NOT NULL,
[DBG] ff (lib/ddl.php:753) CONSTRAINT tst_bloctaggtags_id_pk PRIMARY KEY (id)
[DBG] ff (lib/ddl.php:753) )
[DBG] ff (lib/ddl.php:753) )
[DBG] ff (lib/ddl.php:753) 
PHP Fatal error:  Uncaught exception 'SQLException' with message 'Failed to install (check logs for xmldb errors)' in /home/aaronw/www/mahara/htdocs/lib/ddl.php:754
Stack trace:
#0 /home/aaronw/www/mahara/htdocs/lib/upgrade.php(429): install_from_xmldb_file('/home/aaronw/ww...')
#1 /home/aaronw/www/mahara/htdocs/lib/phpunit.php(173): upgrade_plugin(Object(stdClass))
#2 /home/aaronw/www/mahara/htdocs/lib/tests/phpunit/bootstrap.php(34): UnitTestBootstrap->install_mahara()
#3 /home/aaronw/www/mahara/external/vendor/phpunit/phpunit/PHPUnit/Util/Fileloader.php(92): include_once('/home/aaronw/ww...')
#4 /home/aaronw/www/mahara/external/vendor/phpunit/phpunit/PHPUnit/Util/Fileloader.php(76): PHPUnit_Util_Fileloader::load('/home/aaronw/ww...')
#5 /home/aaronw/www/mahara/external/vendor/phpunit/phpunit/PHPUnit/TextUI/Command.php(778): PHPUnit_Util_Fileloader::checkAndLoad('/home/aaronw/ww...')
#6 /home/aaronw/www/mahara/external/vendor/phpunit/phpunit/PHPUnit/TextUI/Command.php(606): PHPUnit_TextUI_Command->handleBootstrap('/home/aaro in /home/aaronw/www/mahara/htdocs/lib/ddl.php on line 754

Fatal error: Uncaught exception 'SQLException' with message 'Failed to install (check logs for xmldb errors)' in /home/aaronw/www/mahara/htdocs/lib/ddl.php:754
Stack trace:
#0 /home/aaronw/www/mahara/htdocs/lib/upgrade.php(429): install_from_xmldb_file('/home/aaronw/ww...')
#1 /home/aaronw/www/mahara/htdocs/lib/phpunit.php(173): upgrade_plugin(Object(stdClass))
#2 /home/aaronw/www/mahara/htdocs/lib/tests/phpunit/bootstrap.php(34): UnitTestBootstrap->install_mahara()
#3 /home/aaronw/www/mahara/external/vendor/phpunit/phpunit/PHPUnit/Util/Fileloader.php(92): include_once('/home/aaronw/ww...')
#4 /home/aaronw/www/mahara/external/vendor/phpunit/phpunit/PHPUnit/Util/Fileloader.php(76): PHPUnit_Util_Fileloader::load('/home/aaronw/ww...')
#5 /home/aaronw/www/mahara/external/vendor/phpunit/phpunit/PHPUnit/TextUI/Command.php(778): PHPUnit_Util_Fileloader::checkAndLoad('/home/aaronw/ww...')
#6 /home/aaronw/www/mahara/external/vendor/phpunit/phpunit/PHPUnit/TextUI/Command.php(606): PHPUnit_TextUI_Command->handleBootstrap('/home/aaro in /home/aaronw/www/mahara/htdocs/lib/ddl.php on line 754
make: *** [phpunit] Error 255