Update FlywayKonfig.java (#218)

Støtte for username med hyphens (må quotes ellers fungerer ikke drop statement for postgres)

felles/testutilities/src/main/java/no/nav/vedtak/felles/testutilities/db/FlywayKonfig.java

@@ -125,7 +125,7 @@ private Properties lesFlywayPlaceholders() {
     private void clean(DataSource dataSource, String username) {
         try (Connection c = dataSource.getConnection();
              Statement stmt = c.createStatement()) {
-            stmt.execute("drop owned by " + username.replaceAll("[^a-zA-Z0-9_-]", "_")); // NOSONAR ok her, test konfig
+            stmt.execute("drop owned by \"" + username.replaceAll("[^a-zA-Z0-9_-]", "_") + "\""); // NOSONAR ok her, test konfig
         } catch (SQLException e) {
             throw new IllegalStateException("Kunne ikke kjøre clean på db", e);
         }