Tests for analysis modules

[norhh]

Description

Currently the amount and quality of the component tests for the analysis modules is at a limited level.

Requirements

• 75% coverage on the analysis modules

[muellerberndt]

I suspect that this is indirectly addressed by #513?

[JoranHonig]

@b-mueller Yes and no, #513 addresses system tests (testing all the components of mythril), while this is more about component tests of the analysis modules