# Testing the Installation

When your local language is not set LC_MESSAGES to en_EN, you have to execute the the test in the installation directory with an additional parameter to have comparable results.

LC_MESSAGES=en_EN psql -f test/sql/out/pgsql-tweaks-[version number].sql > pgsql-tweaks-test-[version number].out
diff pgsql-tweaks-[version number].out test/sql/out/pgsql-tweaks-test-[version number].out