accounts/abi/bind: TestGolangBindings is flaky

[darioush]

Example run: ava-labs/subnet-evm/actions/runs/6025850127/job/16347487265?pr=823

[ceyonur]

well it's still flaky:
https://github.com/ava-labs/subnet-evm/actions/runs/6548221707/attempts/1

I run this few dozens of times as a single test without having issue. But seems like this is failing once it's under load or it races (like a global variable) with other tests.