running 1 test test tests::it_works ... ok test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 2 filtered out; finished in 0.00s thread 'tests::pippi_langstrumpf' panicked at src/lib.rs:18:9: assertion `left == right` failed left: 7 right: 9 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace running 1 test test tests::pippi_langstrumpf ... FAILED failures: failures: tests::pippi_langstrumpf test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 2 filtered out; finished in 0.00s thread 'tests::pippi_langstrumpf' panicked at src/lib.rs:18:9: assertion `left == right` failed left: 7 right: 9 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace