v8.0 module release (#22975)

https://mattermost.atlassian.net/browse/MM-52079

```release-note
We upgrade the module version to 8.0. The new module path is github.com/mattermost-server/server/v8.
```


Co-authored-by: Doug Lauder <wiggin77@warpmail.net>

server/model/team_test.go

@@ -0,0 +1,143 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestTeamIsValid(t *testing.T) {
+	o := Team{}
+
+	appErr := o.IsValid()
+	require.NotNil(t, appErr, "should be invalid")
+
+	o.Id = NewId()
+	appErr = o.IsValid()
+	require.NotNil(t, appErr, "should be invalid")
+
+	o.CreateAt = GetMillis()
+	appErr = o.IsValid()
+	require.NotNil(t, appErr, "should be invalid")
+
+	o.UpdateAt = GetMillis()
+	appErr = o.IsValid()
+	require.NotNil(t, appErr, "should be invalid")
+
+	o.Email = strings.Repeat("01234567890", 20)
+	appErr = o.IsValid()
+	require.NotNil(t, appErr, "should be invalid")
+
+	o.Email = "corey+test@hulen.com"
+	o.DisplayName = strings.Repeat("01234567890", 20)
+	appErr = o.IsValid()
+	require.NotNil(t, appErr, "should be invalid")
+
+	o.DisplayName = "1234"
+	o.Name = "ZZZZZZZ"
+	appErr = o.IsValid()
+	require.NotNil(t, appErr, "should be invalid")
+
+	o.Name = "zzzzz"
+	o.Type = TeamOpen
+	o.InviteId = NewId()
+	appErr = o.IsValid()
+	require.Nil(t, appErr, appErr)
+}
+
+func TestTeamPreSave(t *testing.T) {
+	o := Team{DisplayName: "test"}
+	o.PreSave()
+	o.Etag()
+}
+
+func TestTeamPreUpdate(t *testing.T) {
+	o := Team{DisplayName: "test"}
+	o.PreUpdate()
+}
+
+var domains = []struct {
+	value    string
+	expected bool
+}{
+	{"spin-punch", true},
+	{"-spin-punch", false},
+	{"spin-punch-", false},
+	{"spin_punch", false},
+	{"a", false},
+	{"aa", true},
+	{"aaa", true},
+	{"aaa-999b", true},
+	{"b00b", true},
+	{"b)", false},
+	{"test", true},
+}
+
+func TestValidTeamName(t *testing.T) {
+	for _, v := range domains {
+		actual := IsValidTeamName(v.value)
+		assert.Equal(t, v.expected, actual)
+	}
+}
+
+var tReservedDomains = []struct {
+	value    string
+	expected bool
+}{
+	{"admin", true},
+	{"Admin-punch", true},
+	{"spin-punch-admin", false},
+	{"playbooks", true},
+	{"boards", true},
+}
+
+func TestReservedTeamName(t *testing.T) {
+	for _, v := range tReservedDomains {
+		actual := IsReservedTeamName(v.value)
+		assert.Equal(t, v.expected, actual)
+	}
+}
+
+func TestCleanTeamName(t *testing.T) {
+	actual := CleanTeamName("Jimbo's Admin")
+	require.Equal(t, "jimbos-admin", actual, "didn't clean name properly")
+
+	actual = CleanTeamName("Admin Really cool")
+	require.Equal(t, "really-cool", actual, "didn't clean name properly")
+
+	actual = CleanTeamName("super-duper-guys")
+	require.Equal(t, "super-duper-guys", actual, "didn't clean name properly")
+}
+
+func TestTeamPatch(t *testing.T) {
+	p := &TeamPatch{
+		DisplayName:      new(string),
+		Description:      new(string),
+		CompanyName:      new(string),
+		AllowedDomains:   new(string),
+		AllowOpenInvite:  new(bool),
+		GroupConstrained: new(bool),
+	}
+
+	*p.DisplayName = NewId()
+	*p.Description = NewId()
+	*p.CompanyName = NewId()
+	*p.AllowedDomains = NewId()
+	*p.AllowOpenInvite = true
+	*p.GroupConstrained = true
+
+	o := Team{Id: NewId()}
+	o.Patch(p)
+
+	require.Equal(t, *p.DisplayName, o.DisplayName, "DisplayName did not update")
+	require.Equal(t, *p.Description, o.Description, "Description did not update")
+	require.Equal(t, *p.CompanyName, o.CompanyName, "CompanyName did not update")
+	require.Equal(t, *p.AllowedDomains, o.AllowedDomains, "AllowedDomains did not update")
+	require.Equal(t, *p.AllowOpenInvite, o.AllowOpenInvite, "AllowOpenInvite did not update")
+	require.Equal(t, *p.GroupConstrained, *o.GroupConstrained)
+}