Bump github.com/stretchr/testify from 1.2.2 to 1.7.0#76

dependabot-preview[bot] wants to merge 1 commit intomasterdcos/dcos-go:masterfrom

dependabot/go_modules/github.com/stretchr/testify-1.7.0dcos/dcos-go:dependabot/go_modules/github.com/stretchr/testify-1.7.0Copy head branch name to clipboard