text: import hasAccidentalSymbol from './';
  
  describe('hasAccidentalSymbol', () => {
    it('return true on "B♯"', () => {
      const note = 'B♯';
      expect(hasAccidentalSymbol(note)).toBe(true);
    });
  
    it('return true on "A♭3"', () => {
      const note = 'A♭3';
      expect(hasAccidentalSymbol(note)).toBe(true);
    });
  
    it('return false on "B#"', () => {
      const note = 'B#';
      expect(hasAccidentalSymbol(note)).toBe(false);
    });
  
    it('return false on "Ab3"', () => {
      const note = 'Ab3';
      expect(hasAccidentalSymbol(note)).toBe(false);
    });
  
    it('return false on "F"', () => {
      const note = 'F';
      expect(hasAccidentalSymbol(note)).toBe(false);
    });
  
    it('return false on invalid scientific note', () => {
      const note = 'Fr';
      expect(hasAccidentalSymbol(note)).toBe(false);
    });
  });
  