test: update test

Author: ikesnowy

src/KernelMemory.DashScope/DashScopeTextGenerator.cs

@@ -72,11 +72,6 @@ public async IAsyncEnumerable<GeneratedTextContent> GenerateTextAsync(
         var tokens = dashScopeClient.GetTextCompletionStreamAsync(request, cancellationToken);
         await foreach (var token in tokens)
         {
-            if (cancellationToken.IsCancellationRequested)
-            {
-                break;
-            }
-
             yield return new GeneratedTextContent(
                 token.Output.Text ?? string.Empty,
                 token.Usage.ToKernelMemoryTokenUsage(modelId));

test/KernelMemory.DashScope.UnitTests/DashScopeTextGeneratorTests.cs

@@ -26,7 +26,7 @@ public async Task TextGenerator_GenerateText_IncrementalGenerateAsync()
         var response = await generator.GenerateTextAsync(Cases.Text, Cases.TextGenerationOptions).ToListAsync();
 
         // Assert
-        response[0].Should().BeSameAs(
+        response[0].Text.Should().BeSameAs(
             Cases.TextGenerationResponse.Output.Text,
             "generated text should mapped from output.text");
         captured.Should().BeEquivalentTo(
@@ -51,7 +51,7 @@ public async Task TextGenerator_DefaultsToZero_MapZeroToNullAsync()
         var response = await generator.GenerateTextAsync(Cases.Text, Cases.TextGenerationOptions).ToListAsync();
 
         // Assert
-        response[0].Should().BeSameAs(
+        response[0].Text.Should().BeSameAs(
             Cases.TextGenerationResponse.Output.Text,
             "generated text should mapped from output.text");
         captured.Should().BeEquivalentTo(