text: import SpreadsheetDateParsePatterns from "./SpreadsheetDateParsePatterns.js";
  import spreadsheetPatternTesting from "./SpreadsheetPatternTesting.js";
  
  spreadsheetPatternTesting(
      function(pattern) {
          return new SpreadsheetDateParsePatterns(pattern);
      },
      SpreadsheetDateParsePatterns.fromJson,
      SpreadsheetDateParsePatterns.parse
  );