diff --git a/python-package/xgboost/spark/core.py b/python-package/xgboost/spark/core.py
index 1a614f51f..ec47a8c23 100644
--- a/python-package/xgboost/spark/core.py
+++ b/python-package/xgboost/spark/core.py
@@ -931,7 +931,11 @@ class _SparkXGBEstimator(Estimator, _SparkXGBParams, MLReadable, MLWritable):
         result_xgb_model = self._convert_to_sklearn_model(
             bytearray(booster, "utf-8"), config
         )
-        return self._copyValues(self._create_pyspark_model(result_xgb_model))
+        spark_model = self._create_pyspark_model(result_xgb_model)
+        # According to pyspark ML convention, the model uid should be the same
+        # with estimator uid.
+        spark_model._resetUid(self.uid)
+        return self._copyValues(spark_model)
 
     def write(self):
         """
diff --git a/tests/buildkite/pipeline-mgpu.yml b/tests/buildkite/pipeline-mgpu.yml
index 316e78ad8..aff2d078b 100644
--- a/tests/buildkite/pipeline-mgpu.yml
+++ b/tests/buildkite/pipeline-mgpu.yml
@@ -12,7 +12,7 @@ steps:
       queue: pipeline-loader
   - wait
   - block: ":rocket: Run this test job"
-    if: build.pull_request.repository.fork == true
+    if: build.pull_request.id != null
   #### -------- CONTAINER BUILD --------
   - label: ":docker: Build containers"
     commands:
diff --git a/tests/buildkite/pipeline-win64.yml b/tests/buildkite/pipeline-win64.yml
index f8127285d..0a1f7f164 100644
--- a/tests/buildkite/pipeline-win64.yml
+++ b/tests/buildkite/pipeline-win64.yml
@@ -6,7 +6,7 @@ steps:
       queue: pipeline-loader
   - wait
   - block: ":rocket: Run this test job"
-    if: build.pull_request.repository.fork == true
+    if: build.pull_request.id != null
   #### -------- BUILD --------
   - label: ":windows: Build XGBoost for Windows with CUDA"
     command: "tests/buildkite/build-win64-gpu.ps1"
diff --git a/tests/buildkite/pipeline.yml b/tests/buildkite/pipeline.yml
index e2a4fcaf2..fa09242bf 100644
--- a/tests/buildkite/pipeline.yml
+++ b/tests/buildkite/pipeline.yml
@@ -9,7 +9,7 @@ steps:
       queue: pipeline-loader
   - wait
   - block: ":rocket: Run this test job"
-    if: build.pull_request.repository.fork == true
+    if: build.pull_request.id != null
   #### -------- CONTAINER BUILD --------
   - label: ":docker: Build containers"
     commands:
diff --git a/tests/test_distributed/test_with_spark/test_spark_local.py b/tests/test_distributed/test_with_spark/test_spark_local.py
index 0ffdb2a2b..a5e0f028a 100644
--- a/tests/test_distributed/test_with_spark/test_spark_local.py
+++ b/tests/test_distributed/test_with_spark/test_spark_local.py
@@ -464,6 +464,7 @@ class TestPySparkLocal:
     def test_regressor_basic(self, reg_data: RegData) -> None:
         regressor = SparkXGBRegressor(pred_contrib_col="pred_contribs")
         model = regressor.fit(reg_data.reg_df_train)
+        assert regressor.uid == model.uid
         pred_result = model.transform(reg_data.reg_df_test).collect()
         for row in pred_result:
             np.testing.assert_equal(row.prediction, row.expected_prediction)