running 1 test FalseClass : OK FalseClass false : ERROR: Method not found: undefined method `method_defined?` for Class FalseClass#& : OK FalseClass#^ : OK FalseClass#to_s : OK FalseClass#| : OK OK: 5, FAIL: 0, ERROR: 1, WARN: 0, SKIP: 0, STRESS: 0 thread 'spec_false' (2488) panicked at mrubyedge/tests/mruby_spec/mod.rs:78:5: false.rb: upstream assertions failed note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace test spec_false ... FAILED failures: failures: spec_false test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 49 filtered out; finished in 0.00s