Move more unit tests to bazel (#6250)

* move more unit tests to bazel

* move to avoid conflict

* fix lint

* fix deps

* seprate

* fix failing tests

* show tests

* ignore mismatch

* try combining bazel runs

* build lint

* remove tests from install

* fix test utils

* better config

* split up

* exclusive

* fix verbosity

* fix tests class

* cleanup

* remove flaky

* fix metrics test

* Update .travis.yml

* no retry flaky

* split up actor

* split basic test

* split up trial runner test

* split stress

* fix basic test

* fix tests

* switch to pytest runner for main

* make microbench not fail

* move load code to py3

* test is no longer package

* bazel to end

python/ray/tests/test_tempfile.py

@@ -7,7 +7,7 @@ import shutil
 import time
 import pytest
 import ray
-from ray.tests.cluster_utils import Cluster
+from ray.cluster_utils import Cluster
 
 
 def test_conn_cluster():
@@ -150,3 +150,11 @@ def test_session_dir_uniqueness():
         session_dirs.add(ray.worker._global_node.get_session_dir_path)
         ray.shutdown()
     assert len(session_dirs) == 3
+
+
+if __name__ == "__main__":
+    import sys
+    # Make subprocess happy in bazel.
+    os.environ["LC_ALL"] = "en_US.UTF-8"
+    os.environ["LANG"] = "en_US.UTF-8"
+    sys.exit(pytest.main(["-v", __file__]))