Add xfail to toy llama and deepseek tests (#1054)

For #1015.

Author: Alex-Vasile

sharktank/tests/models/deepseek/test_deepseek.py

@@ -12,6 +12,11 @@
 import torch
 
 
+@pytest.mark.xfail(
+    reason="https://github.com/nod-ai/shark-ai/issues/1015",
+    strict=False,
+    raises=AssertionError,
+)
 def test_deepseek():
     theta, config = generate(12345)
     model = PagedDeepseekModelV1(theta=theta, config=config)

sharktank/tests/models/llama/test_llama.py

@@ -12,6 +12,11 @@
 import torch
 
 
+@pytest.mark.xfail(
+    reason="https://github.com/nod-ai/shark-ai/issues/1015",
+    strict=False,
+    raises=AssertionError,
+)
 def test_llama():
     theta, config = generate(12345)
     model = PagedLlamaModelV1(theta=theta, config=config)