make sure a.wasm.js is emitted by the backend tests
make sure a.wasm.js is emitted by the backend tests

yurydelendik/binaryen,WebAssembly/binaryen,ddcc/binaryen,WebAssembly/binaryen,ddcc/binaryen,yurydelendik/binaryen,yurydelendik/binaryen,yurydelendik/binaryen,ddcc/binaryen,ddcc/binaryen,ddcc/binaryen,yurydelendik/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen