message: Replace unclear boolean param with parseOptions
diff: @@ -15,8 +15,7 @@ describe("type syntax", function() {
  parser: require("flow-parser")
  };
  - function check(source, useFlowParser) {
  - var parseOptions = useFlowParser ? flowParserParseOptions : esprimaParserParseOptions;
  + function check(source, parseOptions = esprimaParserParseOptions) {
  var ast1 = parse(source, parseOptions);
  var code = printer.printGenerically(ast1).code;
  var ast2 = parse(code, parseOptions);
  @@ -55,9 +54,9 @@ describe("type syntax", function() {
  check("type A = B;");
  check("type A = B.C;");
  check("type A = { optionalNumber?: number };");
  - check("type A = {" + eol + " ...B;" + eol + " optionalNumber?: number;" + eol + "};", true);
  - check("type A = {| optionalNumber?: number |};", true);
  - check("type A = {|" + eol + " ...B;" + eol + " optionalNumber?: number;" + eol + "|};", true);
  + check("type A = {" + eol + " ...B;" + eol + " optionalNumber?: number;" + eol + "};", flowParserParseOptions);
  + check("type A = {| optionalNumber?: number |};", flowParserParseOptions);
  + check("type A = {|" + eol + " ...B;" + eol + " optionalNumber?: number;" + eol + "|};", flowParserParseOptions);
  // Generic
  check("var a: Array<Foo>;");
  