tests to make sure internal_transfers properly detect DELEGATECALLS

[BlinkyStitt]

Elevator pitch:

DELEGATECALL makes parsing traces even more complicated than just parsing CALLS. We need thorough tests.

Value:

Accurate parsing of traces is important.

Design approach:

Task list:

• Test 0xb7d7f1d5ce7743e821d3026647df486f517946ef1342a1ae93c96e4a8016eab7
• Test 0x0537316f37627655b7fe5e50e23f71cd835b377d1cde4226443c94723d036e32

Estimated completion date:

...

Design review:

Do not signoff unless:

• 1. agreed the tasks and design approach will achieve acceptance, and
• 2. the work can be completed by one person within the SLA.
     Design reviewers should consider simpler approaches to achieve goals.