Fix redshift tests

Newer versions of postgres require a password

database/redshift/redshift_test.go

@@ -28,8 +28,17 @@ import (
 	_ "github.com/golang-migrate/migrate/v4/source/file"
 )
 
+const (
+	pgPassword = "redshift"
+)
+
 var (
-	opts  = dktest.Options{PortRequired: true, ReadyFunc: isReady}
+	opts = dktest.Options{
+		Env:          map[string]string{"POSTGRES_PASSWORD": pgPassword},
+		PortRequired: true,
+		ReadyFunc:    isReady,
+	}
+
 	specs = []dktesting.ContainerSpec{
 		{ImageName: "postgres:8", Options: opts},
 	}
@@ -44,7 +53,7 @@ func pgConnectionString(host, port string) string {
 }
 
 func connectionString(schema, host, port string) string {
-	return fmt.Sprintf("%s://postgres@%s:%s/postgres?sslmode=disable", schema, host, port)
+	return fmt.Sprintf("%s://postgres:%s@%s:%s/postgres?sslmode=disable", schema, pgPassword, host, port)
 }
 
 func isReady(ctx context.Context, c dktest.ContainerInfo) bool {
@@ -192,7 +201,7 @@ func TestFilterCustomQuery(t *testing.T) {
 			t.Fatal(err)
 		}
 
-		addr := fmt.Sprintf("postgres://postgres@%v:%v/postgres?sslmode=disable&x-custom=foobar", ip, port)
+		addr := fmt.Sprintf("postgres://postgres:%s@%v:%v/postgres?sslmode=disable&x-custom=foobar", pgPassword, ip, port)
 		p := &Redshift{}
 		d, err := p.Open(addr)
 		if err != nil {
@@ -234,7 +243,7 @@ func TestWithSchema(t *testing.T) {
 		}
 
 		// re-connect using that schema
-		d2, err := p.Open(fmt.Sprintf("postgres://postgres@%v:%v/postgres?sslmode=disable&search_path=foobar", ip, port))
+		d2, err := p.Open(fmt.Sprintf("postgres://postgres:%s@%v:%v/postgres?sslmode=disable&search_path=foobar", pgPassword, ip, port))
 		if err != nil {
 			t.Fatal(err)
 		}