Added a known correct value to the unit tests

LLama.Unittest/LLamaEmbedderTests.cs

@@ -18,14 +18,24 @@ public class LLamaEmbedderTests
         return a.Zip(b, (x, y) => x + y).Sum();
     }
 
+    private static void AssertApproxStartsWith(float[] array, float[] start, float epsilon = 0.00001f)
+    {
+        for (int i = 0; i < start.Length; i++)
+            Assert.Equal(array[i], start[i], epsilon);
+    }
+
     [Fact]
-    public void EmbedHello()
+    public void EmbedBasic()
     {
-        var hello = _embedder.GetEmbeddings("Hello");
+        var hello = _embedder.GetEmbeddings("cat");
 
         Assert.NotNull(hello);
         Assert.NotEmpty(hello);
         //Assert.Equal(_embedder.EmbeddingSize, hello.Length);
+
+        // Expected value generate with llama.cpp embedding.exe
+        var expected = new float[] { -0.127304f, -0.678057f, -0.085244f, -0.956915f, -0.638633f };
+        AssertApproxStartsWith(hello, expected);
     }
 
     [Fact]