message: Make emtest generation cargo fmt friendly
diff: @@ -116,7 +116,12 @@ pub fn compile(file: &str, ignores: &Vec<String>) -> Option<String> {
  let contents = format!(
  "#[test]{ignore}
  fn test_{rs_module_name}() {{
  - assert_emscripten_output!(\"../../{module_path}\", \"{rs_module_name}\", vec![], \"../../{test_output_path}\");
  + assert_emscripten_output!(
  + \"../../{module_path}\",
  + \"{rs_module_name}\",
  + vec![],
  + \"../../{test_output_path}\"
  + );
  }}
  ",
  ignore = ignored,
  @@ -147,7 +152,7 @@ pub fn build() {
  let test = path.to_str().unwrap();
  if !EXCLUDES.iter().any(|e| test.ends_with(e)) {
  if let Some(module_name) = compile(test, &ignores) {
  - modules.push(format!("mod {};", module_name));
  + modules.push(module_name);
  }
  }
  }
  @@ -155,6 +160,8 @@ pub fn build() {
  }
  }
  }
  + modules.sort();
  + let mut modules: Vec<String> = modules.iter().map(|m| format!("mod {};", m)).collect();
  assert!(modules.len() > 0, "Expected > 0 modules found");
  modules.insert(0, BANNER.to_string());
  