This is a testharness.js-based test.
[FAIL] softplus float32 1D constant tensor
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'build' on 'MLGraphBuilder': softplus is not implemented"
[FAIL] softplus float32 1D tensor
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'build' on 'MLGraphBuilder': softplus is not implemented"
[FAIL] softplus float32 2D tensor
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'build' on 'MLGraphBuilder': softplus is not implemented"
[FAIL] softplus float32 3D tensor
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'build' on 'MLGraphBuilder': softplus is not implemented"
[FAIL] softplus float32 4D tensor
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'build' on 'MLGraphBuilder': softplus is not implemented"
[FAIL] softplus float32 5D tensor
  promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'build' on 'MLGraphBuilder': softplus is not implemented"
Harness: the test ran to completion.