Jest Failed Test Output

gistfile1.txt

 FAIL  src/renderers/shared/fiber/__tests__/ReactTopLevelFragment-test.js
  ● ReactTopLevelFragment › should render a simple fragment at the top of a component

    ReferenceError: shouldTrackSideEffects is not defined
      
      at deleteRemainingChildren (src/renderers/shared/fiber/ReactChildFiber.js:76:8)
      at reconcileChildFibers (src/renderers/shared/fiber/ReactChildFiber.js:767:12)
      at reconcileChildrenAtPriority (src/renderers/shared/fiber/ReactFiberBeginWork.js:83:30)
      at reconcileChildren (src/renderers/shared/fiber/ReactFiberBeginWork.js:71:5)
      at updateHostComponent (src/renderers/shared/fiber/ReactFiberBeginWork.js:285:7)
      at beginWork (src/renderers/shared/fiber/ReactFiberBeginWork.js:413:16)
      at performUnitOfWork (src/renderers/shared/fiber/ReactFiberScheduler.js:215:16)
      at performDeferredWork (src/renderers/shared/fiber/ReactFiberScheduler.js:232:26)
      at Object.flushDeferredPri (src/renderers/noop/ReactNoop.js:149:5)
      at Object.flush (src/renderers/noop/ReactNoop.js:163:15)
      at Object.<anonymous> (src/renderers/shared/fiber/__tests__/ReactTopLevelFragment-test.js:31:15)
      at emitTwo (events.js:106:13)
      at process.emit (events.js:191:7)
      at process.nextTick (internal/child_process.js:744:12)
      at _combinedTickCallback (internal/process/next_tick.js:67:7)
      at process._tickCallback (internal/process/next_tick.js:98:9)

  ● ReactTopLevelFragment › should preserve state when switching from a single child

    expect(received).not.toBe(expected)
    
    Expected value to not be (using ===):
      null
    Received:
      null
      
      at Object.<anonymous> (src/renderers/shared/fiber/__tests__/ReactTopLevelFragment-test.js:55:27)
      at emitTwo (events.js:106:13)
      at process.emit (events.js:191:7)
      at process.nextTick (internal/child_process.js:744:12)
      at _combinedTickCallback (internal/process/next_tick.js:67:7)
      at process._tickCallback (internal/process/next_tick.js:98:9)

  ● ReactTopLevelFragment › should not preserve state when switching to a nested array

    expect(received).not.toBe(expected)
    
    Expected value to not be (using ===):
      null
    Received:
      null
      
      at Object.<anonymous> (src/renderers/shared/fiber/__tests__/ReactTopLevelFragment-test.js:86:27)

  ● ReactTopLevelFragment › preserves state if an implicit key slot switches from/to null

    expect(received).not.toBe(expected)
    
    Expected value to not be (using ===):
      null
    Received:
      null
      
      at Object.<anonymous> (src/renderers/shared/fiber/__tests__/ReactTopLevelFragment-test.js:117:27)

  ● ReactTopLevelFragment › should preserve state in a reorder

    expect(received).not.toBe(expected)
    
    Expected value to not be (using ===):
      null
    Received:
      null
      
      at Object.<anonymous> (src/renderers/shared/fiber/__tests__/ReactTopLevelFragment-test.js:155:27)