fix: unified_classifier_test

Signed-off-by: OneZero-Y <[email protected]>

Author: OneZero-Y

src/semantic-router/pkg/utils/classification/unified_classifier_test.go

@@ -281,7 +281,7 @@ func TestUnifiedClassifier_Integration(t *testing.T) {
 		return
 	}
 
-	if !classifier.IsInitialized() {
+	if classifier == nil || !classifier.IsInitialized() {
 		t.Skip("Skipping integration tests - classifier not initialized")
 		return
 	}
@@ -435,7 +435,7 @@ func BenchmarkUnifiedClassifier_RealModels(b *testing.B) {
 		return
 	}
 
-	if !classifier.IsInitialized() {
+	if classifier == nil || !classifier.IsInitialized() {
 		b.Skip("Skipping benchmark - classifier not initialized")
 		return
 	}
@@ -463,7 +463,7 @@ func BenchmarkUnifiedClassifier_BatchSizeComparison(b *testing.B) {
 		return
 	}
 
-	if !classifier.IsInitialized() {
+	if classifier == nil || !classifier.IsInitialized() {
 		b.Skip("Skipping benchmark - classifier not initialized")
 		return
 	}