Going from a skipped test to a failing test is a regression

-- p_test.go --
package p

import "testing"

func TestP(t *testing.T) {
	t.SkipNow()
}

-- .commit --
Initial commit with skipped test

-- p_test.go --
package p

import "testing"

func TestP(t *testing.T) {
	t.FailNow()
}

-- .commit --
Change skipped test to failing test

-- .run_test --
Test regressions detected between initial commit (3635353dfefb2fa652728318567209ccfc4aba42) and HEAD:

1: sketch.dev.TestP: Was skipped, now failing


Please fix before proceeding.