This is a testharness.js-based test.
[FAIL] gru float32 tensors steps=1 with options.bias, options.recurrentBias and options.activations=['relu', 'relu']
promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'build' on 'MLGraphBuilder': Unsupported operator gru."
[FAIL] gru float32 tensors steps=1 with options.bias, options.recurrentBias, options.activations=['relu', 'relu'] and explicit options.direction='forward'
promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'build' on 'MLGraphBuilder': Unsupported operator gru."
[FAIL] gru float32 tensors steps=1 with options.bias, options.recurrentBias, options.activations=['relu', 'relu'] and explicit options.layout='zrn'
promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'build' on 'MLGraphBuilder': Unsupported operator gru."
[FAIL] gru float32 tensors steps=1 with options.bias, options.recurrentBias, options.activations=['relu', 'relu'] and options.layout='rzn'
promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'build' on 'MLGraphBuilder': Unsupported operator gru."
[FAIL] gru float32 tensors steps=1 with options.bias, options.recurrentBias, options.activations=['relu', 'relu'] and options.initialHiddenState
promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'build' on 'MLGraphBuilder': Unsupported operator gru."
[FAIL] gru float32 tensors steps=1 all options
promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'build' on 'MLGraphBuilder': Unsupported operator gru."
[FAIL] gru float32 tensors steps=2 with options.bias, options.recurrentBias, options.activations=['relu', 'relu'] and options.direction='backward'
promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'build' on 'MLGraphBuilder': Unsupported operator gru."
[FAIL] gru float32 tensors steps=2 with options.bias, options.recurrentBias, options.direction='backward', options.activations=['relu', 'relu'] and explicit options.returnSequence=false
promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'build' on 'MLGraphBuilder': Unsupported operator gru."
[FAIL] gru float32 tensors steps=2 with options.bias, options.recurrentBias, options.direction='backward', options.activations=['relu', 'relu'] and options.returnSequence=true
promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'build' on 'MLGraphBuilder': Unsupported operator gru."
[FAIL] gru float32 tensors steps=2 with all options
promise_test: Unhandled rejection with value: object "NotSupportedError: Failed to execute 'build' on 'MLGraphBuilder': Unsupported operator gru."
Harness: the test ran to completion.