Wrap schema names with quotes in Postgres

When schemas are being created, they should be also wrapped with quotes,
like databases and extensions, to make it possible to give them names
containing dashes

Issue: #94

pkg/utils/database/postgres.go

@@ -160,7 +160,7 @@ func (p Postgres) dropPublicSchema(admin *DatabaseUser) error {
 
 func (p Postgres) createSchemas(ac4tor *DatabaseUser) error {
 	for _, s := range p.Schemas {
-		createSchema := fmt.Sprintf("CREATE SCHEMA IF NOT EXISTS %s", s)
+		createSchema := fmt.Sprintf("CREATE SCHEMA IF NOT EXISTS \"%s\";", s)
 		if err := p.executeExec(p.Database, createSchema, ac4tor); err != nil {
 			logrus.Errorf("failed to create schema %s, %s", s, err)
 			return err

pkg/utils/database/postgres_test.go

@@ -420,7 +420,7 @@ func TestPostgresNoSchemas(t *testing.T) {
 func TestPostgresSchemas(t *testing.T) {
 	admin := getPostgresAdmin()
 	p, dbu := testPostgres()
-	p.Schemas = []string{"schema_1", "schema_2"}
+	p.Schemas = []string{"schema_1", "schema_2", "schema-3"}
 
 	assert.Error(t, p.checkSchemas(dbu))
 	assert.NoError(t, p.createSchemas(admin))