old_contents: import {formatBytes, formatRPDuration} from 'utils/formatting';
  
  describe('Formatting helpers', () => {
    describe('formatBytes', () => {
      it('returns null when passed a falsey value', () => {
        const actual = formatBytes(null);
  
        expect(actual).to.equal(null);
      });
  
      it('returns the correct value when passed 0', () => {
        const actual = formatBytes(0);
  
        expect(actual).to.equal('0 Bytes');
      });
  
      it('converts a raw byte value into it\'s most appropriate unit', () => {
        expect(formatBytes(1000)).to.equal('1 KB');
        expect(formatBytes(1000000)).to.equal('1 MB');
        expect(formatBytes(1000000000)).to.equal('1 GB');
      });
    });
  
    describe('formatRPDuration', () => {
      it("returns 'infinite' for a retention policy with a value of '0'", () => {
        const actual = formatRPDuration('0')
  
        expect(actual).to.equal('infinite');
      });
  
      it('correctly formats retention policy durations', () => {
        expect(formatRPDuration('24h0m0s')).to.equal('24h');
  
        expect(formatRPDuration('168h0m0s')).to.equal('7d');
  
        expect(formatRPDuration('200h32m3s')).to.equal('8d8h32m3s');
      });
    });
  });
  
new_contents: import {formatBytes, formatRPDuration} from 'utils/formatting';
  
  describe('Formatting helpers', () => {
    describe('formatBytes', () => {
      it('returns null when passed a falsey value', () => {
        const actual = formatBytes(null);
  
        expect(actual).to.equal(null);
      });
  
      it('returns the correct value when passed 0', () => {
        const actual = formatBytes(0);
  
        expect(actual).to.equal('0 Bytes');
      });
  
      it('converts a raw byte value into it\'s most appropriate unit', () => {
        expect(formatBytes(1000)).to.equal('1 KB');
        expect(formatBytes(1000000)).to.equal('1 MB');
        expect(formatBytes(1000000000)).to.equal('1 GB');
      });
    });
  
    describe('formatRPDuration', () => {
      it("returns 'infinite' for a retention policy with a value of '0'", () => {
        const actual = formatRPDuration('0')
  
        expect(actual).to.equal('∞');
      });
  
      it('correctly formats retention policy durations', () => {
        expect(formatRPDuration('24h0m0s')).to.equal('24h');
  
        expect(formatRPDuration('168h0m0s')).to.equal('7d');
  
        expect(formatRPDuration('200h32m3s')).to.equal('8d8h32m3s');
      });
    });
  });
  
subject: Fix test to use ∞