Add v2 version to go module name

Replace all elements from `v2` to root directory.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

audit/test/generate.go

@@ -0,0 +1,29 @@
+package audittest
+
+import (
+	"github.com/nspcc-dev/neofs-api-go/v2/audit"
+	refstest "github.com/nspcc-dev/neofs-api-go/v2/refs/test"
+)
+
+func GenerateDataAuditResult(empty bool) *audit.DataAuditResult {
+	m := new(audit.DataAuditResult)
+
+	if !empty {
+		m.SetPublicKey([]byte{1, 2, 3})
+		m.SetAuditEpoch(13)
+		m.SetHit(100)
+		m.SetMiss(200)
+		m.SetFail(300)
+		m.SetComplete(true)
+		m.SetPassNodes([][]byte{{1}, {2}})
+		m.SetFailNodes([][]byte{{3}, {4}})
+		m.SetRequests(666)
+		m.SetRetries(777)
+		m.SetVersion(refstest.GenerateVersion(false))
+		m.SetContainerID(refstest.GenerateContainerID(false))
+		m.SetPassSG(refstest.GenerateObjectIDs(false))
+		m.SetFailSG(refstest.GenerateObjectIDs(false))
+	}
+
+	return m
+}