feat(pgtesting): add a test

pgtesting/README.md

@@ -1,32 +1,3 @@
 # How to use ?
 
-```
-package main
-
-import (
-	"context"
-	"os"
-	"testing"
-
-	"github.com/formancehq/go-libs/pgtesting/pkg"
-)
-
-func TestMain(m *testing.M) {
-	if err := pgtesting.CreatePostgresServer(); err != nil {
-	    log.Fatal(err)
-	}
-	code := m.Run()
-	if err := pgtesting.DestroyPostgresServer(); err != nil {
-	    log.Fatal(err)
-	}
-	os.Exit(code)
-}
-
-func TestXXX(t *testing.T) {
-	t.Parallel()
-
-	database := mbstesting.NewPostgresDatabase(t)
-	// Use database.ConnString() to get connection string of the database
-    ...
-}
-```
+See [example](./pkg/postgres_test.go) for an example.

pgtesting/pkg/postgres_test.go

@@ -0,0 +1,35 @@
+package pgtesting
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+	"testing"
+
+	"github.com/jackc/pgx/v5"
+	"github.com/stretchr/testify/require"
+)
+
+func TestMain(m *testing.M) {
+	if err := CreatePostgresServer(); err != nil {
+		log.Fatal(err)
+	}
+	code := m.Run()
+	if err := DestroyPostgresServer(); err != nil {
+		log.Fatal(err)
+	}
+	os.Exit(code)
+}
+
+func TestPostgres(t *testing.T) {
+	for i := 0; i < 10; i++ {
+		t.Run(fmt.Sprintf("test%d", i), func(t *testing.T) {
+			t.Parallel()
+			database := NewPostgresDatabase(t)
+			conn, err := pgx.Connect(context.Background(), database.ConnString())
+			require.NoError(t, err)
+			require.NoError(t, conn.Close(context.Background()))
+		})
+	}
+}