--TEST-- Installs a package in dev env --COMPOSER-- { "repositories": [ { "type": "package", "package": [ { "name": "a/a", "version": "1.0.0" }, { "name": "a/b", "version": "1.0.0" } ] } ], "require": { "a/a": "1.0.0" }, "require-dev": { "a/b": "1.0.0" } } --RUN-- install --EXPECT-- Installing a/a (1.0.0) Installing a/b (1.0.0)