public static void IsAllValuesStringMethodCheck()
{
Assert.False(QueryStringService.IsAllValuesString(new[] { "1", "2", "3" }));
Assert.True(QueryStringService.IsAllValuesString(new[] { "abc", "dfg", "fre" }));
Assert.False(QueryStringService.IsAllValuesString(new[] { "1", "dfg", "fre" }));
}