Global Test Lifecycle Control via testing.M Setup and Teardown Hooks

package main
 
import (
	"fmt"
	"os"
	"testing"
)
 
var globalResource string
 
func TestMain(m *testing.M) {
	globalResource = "initialized_db_connection"
	code := m.Run()
	globalResource = ""
	fmt.Println("Cleaned up global test resources")
	os.Exit(code)
}
 
func TestDatabaseOperation(t *testing.T) {
	if globalResource == "" {
		t.Fatal("Global resource was not initialized prior to test execution")
	}
}