diff --git a/bindings/python/Makefile b/bindings/python/Makefile
index c36a1091dd..0e8b9632dc 100644
--- a/bindings/python/Makefile
+++ b/bindings/python/Makefile
@@ -15,12 +15,15 @@
 # specific language governing permissions and limitations
 # under the License.
 
-
-install:
-	uv sync --group dev --no-install-project
+.PHONY: build install test
 
 build:
 	uv run maturin develop
 
+# uv sync may remove local editable pyiceberg-core, so install rebuilds it afterwards.
+install:
+	uv sync --group dev --no-install-project
+	$(MAKE) build
+
 test:
 	uv run --no-sync pytest
diff --git a/bindings/python/pyproject.toml b/bindings/python/pyproject.toml
index 38efa00b34..9f62b5716d 100644
--- a/bindings/python/pyproject.toml
+++ b/bindings/python/pyproject.toml
@@ -51,6 +51,11 @@ include = [
 [tool.ruff.lint]
 ignore = ["F403", "F405"]
 
+[tool.pytest.ini_options]
+filterwarnings = [
+  "error",
+]
+
 [dependency-groups]
 dev = [
     "maturin>=1.0,<2.0",
diff --git a/bindings/python/tests/conftest.py b/bindings/python/tests/conftest.py
index 75ee3f36a3..db672c7335 100644
--- a/bindings/python/tests/conftest.py
+++ b/bindings/python/tests/conftest.py
@@ -25,6 +25,7 @@
 
 import pytest
 from pydantic_core import to_json
+from pyiceberg.utils.config import Config
 
 from pyiceberg.partitioning import PartitionField, PartitionSpec
 from pyiceberg.schema import Schema
@@ -36,6 +37,20 @@
 )
 
 
+@pytest.fixture(scope="session", autouse=True)
+def isolate_pyiceberg_config() -> Generator[None, None, None]:
+    monkeypatch = pytest.MonkeyPatch()
+    with TemporaryDirectory() as empty_home_dir:
+        monkeypatch.setenv("HOME", empty_home_dir)
+        monkeypatch.setenv("PYICEBERG_HOME", empty_home_dir)
+
+        import pyiceberg.catalog as catalog
+
+        monkeypatch.setattr(catalog, "_ENV_CONFIG", Config())
+        yield
+    monkeypatch.undo()
+
+
 @pytest.fixture(scope="session")
 def avro_schema_manifest_entry() -> Dict[str, Any]:
     return {
diff --git a/bindings/python/tests/test_datafusion_table_provider.py b/bindings/python/tests/test_datafusion_table_provider.py
index 915b787697..3b2d881e18 100644
--- a/bindings/python/tests/test_datafusion_table_provider.py
+++ b/bindings/python/tests/test_datafusion_table_provider.py
@@ -106,7 +106,7 @@ def test_register_iceberg_table_provider(
     )
 
     ctx = SessionContext()
-    ctx.register_table_provider("test", iceberg_table_provider)
+    ctx.register_table("test", iceberg_table_provider)
 
     datafusion_table = ctx.table("test")
     assert datafusion_table is not None
@@ -154,7 +154,7 @@ def __datafusion_table_provider__(self):
     )
 
     ctx = SessionContext()
-    ctx.register_table_provider("test", iceberg_table)
+    ctx.register_table("test", iceberg_table)
 
     datafusion_table = ctx.table("test")
     assert datafusion_table is not None