running 1 test ArgumentError : OK 'wrong number of arguments' from mrb_get_args : wrong number of arguments : assertion failed: FAIL wrong number of arguments : assertion failed: FAIL wrong number of arguments : assertion failed: FAIL wrong number of arguments : assertion failed: FAIL wrong number of arguments : assertion failed: FAIL wrong number of arguments : assertion failed: FAIL FAIL Call to MRB_ARGS_NONE method : assertion failed: expected exception, but nothing was raised assertion failed: expected exception, but nothing was raised FAIL OK: 1, FAIL: 8, ERROR: 0, WARN: 0, SKIP: 0, STRESS: 0 thread 'spec_argumenterror' (2454) panicked at mrubyedge/tests/mruby_spec/mod.rs:78:5: argumenterror.rb: upstream assertions failed note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace test spec_argumenterror ... FAILED failures: failures: spec_argumenterror test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 49 filtered out; finished in 0.01s