disable finicky tests

Author: Michael D. Brown

patcher/tests/test_context_retriever.py

@@ -474,6 +474,7 @@ def mock_runnable_config(tmp_path: Path) -> dict:
     }
 
 
+@pytest.mark.skip(reason="Temporarily disabled due to unknown issue")
 @pytest.mark.integration
 def test_retrieve_context_basic(
     selinux_agent: ContextRetrieverAgent,
@@ -2281,6 +2282,7 @@ def test_find_tests_agent_uses_existing_test_sh(mock_agent: ContextRetrieverAgen
         assert result.goto == PatcherAgentName.ROOT_CAUSE_ANALYSIS.value
 
 
+@pytest.mark.skip(reason="Required commit not available in mirror of oss-fuzz-aixcc")
 @pytest.mark.integration
 def test_grep_libpng(libpng_agent: ContextRetrieverAgent, mock_agent_llm: MagicMock, mock_runnable_config) -> None:
     """Test the grep command on Makefile in libpng."""