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_node_manager.py

@@ -3,7 +3,7 @@ from __future__ import division
 from __future__ import print_function
 
 import ray
-from ray.tests.utils import run_string_as_driver
+from ray.test_utils import run_string_as_driver
 
 
 # This tests the queue transitions for infeasible tasks. This has been an issue
@@ -48,3 +48,9 @@ f.remote()
     ray.get([
         f._submit(args=[], kwargs={}, resources={str(i): 1}) for i in range(3)
     ])
+
+
+if __name__ == "__main__":
+    import pytest
+    import sys
+    sys.exit(pytest.main(["-v", __file__]))