test: skip FastEmbed tests when not in live mode (#1462)

Skip FastEmbed embedding tests by default to prevent CI failures from external HuggingFace infrastructure issues.

Author: Pouyanpi

tests/test_embeddings_fastembed.py

@@ -13,11 +13,16 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import os
+
 import pytest
 
 from nemoguardrails.embeddings.providers.fastembed import FastEmbedEmbeddingModel
 
+LIVE_TEST_MODE = os.environ.get("LIVE_TEST")
+
 
+@pytest.mark.skipif(not LIVE_TEST_MODE, reason="Not in live mode.")
 def test_sync_embeddings():
     model = FastEmbedEmbeddingModel("all-MiniLM-L6-v2")
 
@@ -26,13 +31,15 @@ def test_sync_embeddings():
     assert len(result[0]) == 384
 
 
+@pytest.mark.skipif(not LIVE_TEST_MODE, reason="Not in live mode.")
 def test_additional_params_with_fastembed():
     model = FastEmbedEmbeddingModel("all-MiniLM-L6-v2", max_length=512, lazy_load=True)
     result = model.encode(["test"])
 
     assert len(result[0]) == 384
 
 
+@pytest.mark.skipif(not LIVE_TEST_MODE, reason="Not in live mode.")
 @pytest.mark.asyncio
 async def test_async_embeddings():
     model = FastEmbedEmbeddingModel("all-MiniLM-L6-v2")