Linter pr 1: testifylint

[faddat]

This PR lints using testifylint.

There will be other PR's based on it.

@webmaster128 please try to figure out what to do with mockinfobin. I really don't know. You should be able to push to my branch, if not, feel free to just make another PR.

[faddat]

=== RUN   TestGetMetrics
    lib_test.go:440: 
                Error Trace:    /Users/faddat/swappable-vm/internal/api/lib_test.go:440
                Error:          Not equal: 
                                expected: 0x0
                                actual  : 0x1
                Test:           TestGetMetrics

is the only remaining issue. I think I hit this when refactoring to use wazero also.

[chipshort]

I made some minor adjustments and think this is good to merge now