1You must set the following environment variables to run the tests: 2 3 PDO_MYSQL_TEST_DSN - DSN 4 For example: mysql:dbname=test;host=localhost;port=3306 5 6 PDO_MYSQL_TEST_HOST - database host 7 PDO_MYSQL_TEST_DB - database (schema) name 8 PDO_MYSQL_TEST_SOCKET - database server socket 9 PDO_MYSQL_TEST_ENGINE - storage engine to use 10 PDO_MYSQL_TEST_USER - database user 11 PDO_MYSQL_TEST_PASS - database user password 12 PDO_MYSQL_TEST_CHARSET - database charset 13 14 NOTE: if any of PDO_MYSQL_TEST_[HOST|DB|SOCKET|ENGINE|CHARSET] is 15 part of PDO_MYSQL_TEST_DSN, the values must match. That is, for example, 16 for PDO_MYSQL_TEST_DSN = mysql:dbname=test you MUST set PDO_MYSQL_TEST_DB=test. 17