Skip *_test.go files. This fixes a problem I was seeing relating to missing imports when using `-all`. Also, there should not be interfaces in test files, so we should not do the work of parsing them.
Skip *_test.go files. This fixes a problem I was seeing relating to missing imports when using `-all`. Also, there should not be interfaces in test files, so we should not do the work of parsing them.

codeactual/mockery,vektra/mockery,tehleach/mockery,vektra/mockery