test(command/build): right test case

the test case would pass after solving rustwasm#408

tests/all/build.rs

@@ -25,19 +25,20 @@ fn build_in_non_crate_directory_doesnt_panic() {
 #[test]
 fn it_format_out_dir_on_windows() {
     let fixture = utils::fixture::js_hello_world();
+    fixture.install_local_wasm_bindgen();
     let cli = Cli::from_iter_safe(vec![
         "wasm-pack",
         "build",
         &fixture.path.display().to_string(),
     ])
     .unwrap();
-    let logger = logger::new(&cli.cmd, cli.verbosity).unwrap();
-    let result = command::run_wasm_pack(cli.cmd, &logger);
-    assert!(result.is_ok(), "js_hello_world example should pass");
+    let logger = logger::new(&cli.cmd, 1).unwrap();
+    let _result =
+        command::run_wasm_pack(cli.cmd, &logger).expect("js_hello_world example should pass");
 
     let wasm_pack_log = utils::file::read_file(&fixture.path.join("wasm-pack.log")).unwrap();
     assert!(
         wasm_pack_log.contains(r"Your wasm pkg is ready to publish at \\?\C:\Users\"),
         "directories in wasm-pack.log should be well formatted",
     );
-}
+}