Refactor older tests to use testify (#33140)

Refactor checks to use assert/require
Use require.Eventually for waiting in elastic and meilisearch tests
Use require to exit early instead of assert

models/organization/org_test.go

@@ -16,6 +16,7 @@ import (
 	"code.gitea.io/gitea/modules/structs"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func TestUser_IsOwnedBy(t *testing.T) {
@@ -180,9 +181,8 @@ func TestRestrictedUserOrgMembers(t *testing.T) {
 		ID:           29,
 		IsRestricted: true,
 	})
-	if !assert.True(t, restrictedUser.IsRestricted) {
-		return // ensure fixtures return restricted user
-	}
+	// ensure fixtures return restricted user
+	require.True(t, restrictedUser.IsRestricted)
 
 	testCases := []struct {
 		name         string