diff --git a/.travis.yml b/.travis.yml
index 5b9b0be49..76a28a343 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -60,11 +60,32 @@ matrix:
         - ./ci/suppress_output ./ci/travis/install-dependencies.sh
         - export PATH="$HOME/miniconda/bin:$PATH"
         - ./ci/suppress_output ./ci/travis/install-ray.sh
+        - ./ci/suppress_output ./ci/travis/install-cython-examples.sh
+        - eval "$(curl -sL https://raw.githubusercontent.com/travis-ci/gimme/master/gimme | GIMME_GO_VERSION=master bash)"
       script:
         - ./ci/suppress_output bash src/ray/test/run_core_worker_tests.sh
         - ./ci/suppress_output bash streaming/src/test/run_streaming_queue_test.sh
         - ./java/test.sh
 
+    - os: linux
+      env:
+        - TESTSUITE=gcs_service_python_testcase
+        - JDK='Oracle JDK 8'
+        - RAY_GCS_SERVICE_ENABLED=true
+        - PYTHON=3.6 PYTHONWARNINGS=ignore
+        - RAY_INSTALL_JAVA=1
+      install:
+        - eval `python $TRAVIS_BUILD_DIR/ci/travis/determine_tests_to_run.py`
+        - ./ci/travis/install-bazel.sh
+        - ./ci/suppress_output ./ci/travis/install-dependencies.sh
+        - export PATH="$HOME/miniconda/bin:$PATH"
+        - ./ci/suppress_output ./ci/travis/install-ray.sh
+        - ./ci/suppress_output ./ci/travis/install-cython-examples.sh
+        - eval "$(curl -sL https://raw.githubusercontent.com/travis-ci/gimme/master/gimme | GIMME_GO_VERSION=master bash)"
+      script:
+        - export PATH="$HOME/miniconda/bin:$PATH"
+        - ./ci/keep_alive bazel test --spawn_strategy=local --flaky_test_attempts=3 --nocache_test_results --test_verbose_timeout_warnings --progress_report_interval=100 --show_progress_rate_limit=100 --show_timestamps --test_output=errors --test_tag_filters=-jenkins_only python/ray/tests/...
+
     - os: linux
       env: LINT=1 PYTHONWARNINGS=ignore
       before_install:
diff --git a/python/ray/node.py b/python/ray/node.py
index fdeef3e45..9a7160719 100644
--- a/python/ray/node.py
+++ b/python/ray/node.py
@@ -609,7 +609,7 @@ class Node:
         # If this is the head node, start the relevant head node processes.
         self.start_redis()
 
-        if os.environ.get("RAY_GCS_SERVICE_ENABLED", None):
+        if os.environ.get(ray_constants.RAY_GCS_SERVICE_ENABLED, None):
             self.start_gcs_server()
 
         self.start_monitor()
diff --git a/python/ray/ray_constants.py b/python/ray/ray_constants.py
index 602d83225..762b29caa 100644
--- a/python/ray/ray_constants.py
+++ b/python/ray/ray_constants.py
@@ -203,3 +203,8 @@ NODE_DEFAULT_IP = "127.0.0.1"
 
 # The Mach kernel page size in bytes.
 MACH_PAGE_SIZE_BYTES = 4096
+
+# RAY_GCS_SERVICE_ENABLED only set in ci job.
+# TODO(ffbin): Once we entirely migrate to service-based GCS, we should
+# remove it.
+RAY_GCS_SERVICE_ENABLED = "RAY_GCS_SERVICE_ENABLED"
diff --git a/python/ray/tests/test_component_failures_3.py b/python/ray/tests/test_component_failures_3.py
index 4fe52c1bd..0c8b030e5 100644
--- a/python/ray/tests/test_component_failures_3.py
+++ b/python/ray/tests/test_component_failures_3.py
@@ -84,6 +84,9 @@ def test_driver_lives_sequential(ray_start_regular):
     ray.worker._global_node.kill_monitor()
     ray.worker._global_node.kill_raylet_monitor()
 
+    if os.environ.get(ray_constants.RAY_GCS_SERVICE_ENABLED, None):
+        ray.worker._global_node.kill_gcs_server()
+
     # If the driver can reach the tearDown method, then it is still alive.
 
 
@@ -92,12 +95,24 @@ def test_driver_lives_sequential(ray_start_regular):
     reason="Hanging with new GCS API.")
 def test_driver_lives_parallel(ray_start_regular):
     all_processes = ray.worker._global_node.all_processes
-    process_infos = (all_processes[ray_constants.PROCESS_TYPE_PLASMA_STORE] +
-                     all_processes[ray_constants.PROCESS_TYPE_RAYLET] +
-                     all_processes[ray_constants.PROCESS_TYPE_LOG_MONITOR] +
-                     all_processes[ray_constants.PROCESS_TYPE_MONITOR] +
-                     all_processes[ray_constants.PROCESS_TYPE_RAYLET_MONITOR])
-    assert len(process_infos) == 5
+
+    if os.environ.get(ray_constants.RAY_GCS_SERVICE_ENABLED, None):
+        process_infos = (
+            all_processes[ray_constants.PROCESS_TYPE_PLASMA_STORE] +
+            all_processes[ray_constants.PROCESS_TYPE_GCS_SERVER] +
+            all_processes[ray_constants.PROCESS_TYPE_RAYLET] +
+            all_processes[ray_constants.PROCESS_TYPE_LOG_MONITOR] +
+            all_processes[ray_constants.PROCESS_TYPE_MONITOR] +
+            all_processes[ray_constants.PROCESS_TYPE_RAYLET_MONITOR])
+        assert len(process_infos) == 6
+    else:
+        process_infos = (
+            all_processes[ray_constants.PROCESS_TYPE_PLASMA_STORE] +
+            all_processes[ray_constants.PROCESS_TYPE_RAYLET] +
+            all_processes[ray_constants.PROCESS_TYPE_LOG_MONITOR] +
+            all_processes[ray_constants.PROCESS_TYPE_MONITOR] +
+            all_processes[ray_constants.PROCESS_TYPE_RAYLET_MONITOR])
+        assert len(process_infos) == 5
 
     # Kill all the components in parallel.
     for process_info in process_infos:
diff --git a/python/ray/tests/test_tempfile.py b/python/ray/tests/test_tempfile.py
index e233a1897..bc88aefd3 100644
--- a/python/ray/tests/test_tempfile.py
+++ b/python/ray/tests/test_tempfile.py
@@ -3,6 +3,7 @@ import shutil
 import time
 import pytest
 import ray
+import ray.ray_constants as ray_constants
 from ray.cluster_utils import Cluster
 
 
@@ -98,12 +99,18 @@ def test_raylet_tempfiles(shutdown_only):
     top_levels = set(os.listdir(node.get_session_dir_path()))
     assert top_levels.issuperset({"sockets", "logs"})
     log_files = set(os.listdir(node.get_logs_dir_path()))
-    assert log_files.issuperset({
+    log_files_expected = {
         "log_monitor.out", "log_monitor.err", "plasma_store.out",
         "plasma_store.err", "monitor.out", "monitor.err", "raylet_monitor.out",
         "raylet_monitor.err", "redis-shard_0.out", "redis-shard_0.err",
         "redis.out", "redis.err", "raylet.out", "raylet.err"
-    })  # with raylet logs
+    }
+
+    if os.environ.get(ray_constants.RAY_GCS_SERVICE_ENABLED, None):
+        log_files_expected.update({"gcs_server.out", "gcs_server.err"})
+
+    assert log_files.issuperset(log_files_expected)
+
     socket_files = set(os.listdir(node.get_sockets_dir_path()))
     assert socket_files == {"plasma_store", "raylet"}
     ray.shutdown()
@@ -114,12 +121,8 @@ def test_raylet_tempfiles(shutdown_only):
     assert top_levels.issuperset({"sockets", "logs"})
     time.sleep(3)  # wait workers to start
     log_files = set(os.listdir(node.get_logs_dir_path()))
-    assert log_files.issuperset({
-        "log_monitor.out", "log_monitor.err", "plasma_store.out",
-        "plasma_store.err", "monitor.out", "monitor.err", "raylet_monitor.out",
-        "raylet_monitor.err", "redis-shard_0.out", "redis-shard_0.err",
-        "redis.out", "redis.err", "raylet.out", "raylet.err"
-    })  # with raylet logs
+
+    assert log_files.issuperset(log_files_expected)
 
     # Check numbers of worker log file.
     assert sum(