public static FluentProvider<TestUser> WithNonAlphaNumericCharsInPassword(
this FluentProvider<TestUser> provider, int chars)
{
var builder = new StringBuilder();
for (var i = 0; i < chars; i++)
{
builder.Append("!");
}
provider.UpdateValue.Password = builder.ToString()
.PadRight(provider.Provider.MinRequiredPasswordLength, 'x');
return provider;
}