This is a testharness.js-based test.
[FAIL] [matmul] Throw if the input data type is not floating point
promise_test: Unhandled rejection with value: object "TypeError: Failed to execute 'input' on 'MLGraphBuilder': Unsupported data type uint32 for input operand named 'a', must be one of [float32, float16, int32]."
Harness: the test ran to completion.