tests: Fix passing environment to test()
According to the Meson docs, the keyword argument is 'env' (See https://mesonbuild.com/Reference-manual.html#test)
Fixes: 79db7cec ("tests: Set testing stopwords directory")
According to the Meson docs, the keyword argument is 'env' (See https://mesonbuild.com/Reference-manual.html#test)
Fixes: 79db7cec ("tests: Set testing stopwords directory")