Fixed some failing tests, it looks like there's a min context size which is why these were failing now. (#1)

Author: martindevans

LLama.Unittest/LLamaContextTests.cs

@@ -13,7 +13,7 @@ public LLamaContextTests()
         {
             var @params = new ModelParams(Constants.GenerativeModelPath2)
             {
-                ContextSize = 128,
+                ContextSize = 512,
                 BatchSize = 8,
                 UBatchSize = 8,
                 SeqMax = 1,
@@ -33,7 +33,7 @@ public void Dispose()
         [Fact]
         public void CheckProperties()
         {
-            Assert.Equal(128u, _context.ContextSize);
+            Assert.Equal(512u, _context.ContextSize);
             Assert.Equal(960, _context.EmbeddingSize);
             Assert.Equal(49152, _context.Vocab.Count);
         }

LLama.Unittest/LLamaContextWithCustomLoggerTests.cs

@@ -30,7 +30,7 @@ public LLamaContextWithCustomLoggerTests()
         {
             var @params = new ModelParams(Constants.GenerativeModelPath2)
             {
-                ContextSize = 128,
+                ContextSize = 512,
                 GpuLayerCount = Constants.CIGpuLayerCount,
             };
 
@@ -55,7 +55,7 @@ public void Dispose()
         [Fact]
         public void CheckProperties()
         {
-            Assert.Equal(128u, _context.ContextSize);
+            Assert.Equal(512u, _context.ContextSize);
             Assert.Equal(960, _context.EmbeddingSize);
             Assert.Equal(49152, _context.Vocab.Count);
         }