Added the Model Comparison assistant for blind comparisons of two models (#1009)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

app/Tests/Assistants/ModelComparison/ModelComparisonJudgeExpectationsTests.cs

@@ -0,0 +1,31 @@
+using AIStudio.Assistants.ModelComparison;
+
+namespace AIStudio.Tests.Assistants.ModelComparison;
+
+/// <summary>
+/// Checks that a judge starts only by the expectations, values, and goals of the user, or with the confirmation that it
+/// may decide by its own standards.
+/// </summary>
+[TestFixture]
+public sealed class ModelComparisonJudgeExpectationsTests
+{
+    [TestCase("", false, true)]
+    [TestCase("   ", false, true)]
+    [TestCase("", true, false)]
+    [TestCase("I prefer short answers.", false, false)]
+    [TestCase("I prefer short answers.", true, false)]
+    public void WithoutExpectationsTheUserHasToConfirm(string expectations, bool ownStandardsAccepted, bool expectedIssue)
+    {
+        Assert.That(ModelComparisonJudgeExpectations.IssueOf(expectations, ownStandardsAccepted) is not null, Is.EqualTo(expectedIssue));
+    }
+
+    [Test]
+    public void ThePromptOfAJudgeGetsTheExpectationsOnlyWhenThereAreSome()
+    {
+        using (Assert.EnterMultipleScope())
+        {
+            Assert.That(ModelComparisonJudgeFormat.ExpectationsOfTheUser("  "), Is.Empty);
+            Assert.That(ModelComparisonJudgeFormat.ExpectationsOfTheUser(" I prefer short answers. "), Does.EndWith("# Expectations, values, and goals of the user\nI prefer short answers."));
+        }
+    }
+}