public void FilterByDifficulty_ReturnsSelectedTrailsInDatabase_TrailList()
{
Trail testTrail1 = new Trail("TrailName1", 1, 2.5f, 3, true, true, true, true, true, true);
testTrail1.Save();
Trail testTrail2 = new Trail("TrailName2", 5, 2.5f, 3, false, true, true, true, true, true);
testTrail2.Save();
List <Trail> result = Trail.FilterByDifficulty(1);
List <Trail> testList = new List <Trail> {
testTrail1
};
CollectionAssert.AreEqual(testList, result);
}