message: [TF:TRT] Disable a failing test.
  Disable ConvertEinsum for kExplicitBatch mode.
diff: @@ -2873,6 +2873,11 @@ TEST_P(OpConverter_FP32_Test, ConvertEinsum) {
  return einsum.operation.node()->def();
  };
  + // TODO(b/191407966): re-enable the test for kExplicitBatch.
  + if (trt_mode_ == TrtTestMode::kExplicitBatch) {
  + return;
  + }
  +
  if (trt_mode_ == TrtTestMode::kImplicitBatch) {
  Reset();
  NodeDef node_def = get_einsum_nodedef(tf_type_, "ab,cb->ac");
  