public void CertificateIsValid(IEnumerable <Task> tasks)
{
InstallParam p = new InstallParam("somename", "somevalue");
tasks.First().LocalParams.Add(p);
CertificateValidator val = Substitute.ForPartsOf <CertificateValidator>();
val.WhenForAnyArgs(a => a.FindCertificates(null)).DoNotCallBase();
X509Certificate2Collection collection = new X509Certificate2Collection();
collection.Add(new X509Certificate2());
val.FindCertificates(null).ReturnsForAnyArgs(collection);
val.Data["StoreName"] = "Root";
val.Data["ParamNames"] = p.Name;
val.WhenForAnyArgs(a => a.ValidateChain(null, null)).DoNotCallBase();
val.ValidateChain(null, null).ReturnsForAnyArgs(true);
Assert.DoesNotContain(val.Evaluate(tasks), r => r.State == Sitecore9Installer.Validation.ValidatorState.Error);
val.Received().ValidateCertificate(collection[0]);
}