[Tracking] CI failure cases and improvements

[zerosnacks]

Features:

• Tests currently run serially, this limits the possibility of hitting RPC quota but also makes tests relatively slow to run. We can likely run the majority of the test in parallel.
• Tests do not retry on failure
• Test failure currently exits directly on the first failure, this may not be the behaviour we want

Failure cases:

• Occasionally local Anvil instances fail to spin up, not clear exactly why.
• Forked Anvil instances sometimes fail to spin up, presumably because https://eth.merkle.io drops the connection or refuses to connect (for whatever reason).

Both return the same error:

Error: timed out waiting for anvil to spawn; is anvil installed?

Location:
    examples/transactions/examples/trace_call.rs:20:17

If you run into one of these cases it is best to simply re-run the workflow.