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_multi_node.py

@@ -8,7 +8,7 @@ import subprocess
 import time
 
 import ray
-from ray.tests.utils import (
+from ray.test_utils import (
     RayTestTimeoutException,
     run_string_as_driver,
     run_string_as_driver_nonblocking,
@@ -615,3 +615,12 @@ def test_use_pickle(call_ray_start):
         return (3, "world")
 
     assert ray.get(f.remote(x)) == (3, "world")
+
+
+if __name__ == "__main__":
+    import pytest
+    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__]))