Rename "tests" directory to be "test" like in the swift repo

In addition to being less confusing for devs, this lets us actually run
tempauth tests in swiftclient dsvm jobs.

The job definition (over in the swift repo) specifies test/sample.conf,
which does not exist in this repo. As a result, those tests would skip
with

    SKIPPING FUNCTIONAL TESTS DUE TO NO CONFIG

Change-Id: I558dbf9a657d442e6e19468e543bbec855129eeb

.functests

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-export OS_TEST_PATH='tests.functional'
+export OS_TEST_PATH='test.functional'
 export PYTHON='coverage run --source swiftclient --parallel-mode'
 stestr run --concurrency=1
 

.stestr.conf

@@ -1,4 +1,4 @@
 [DEFAULT]
-test_path=${OS_TEST_PATH:-./tests/unit}
+test_path=${OS_TEST_PATH:-./test/unit}
 top_dir=./
 

.unittests

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-python setup.py testr --coverage  --testr-args="tests.unit"
+python setup.py testr --coverage  --testr-args="test.unit"
 RET=$?
 coverage report -m
 rm -f .coverage

test/unit/test_service.py

@@ -36,7 +36,7 @@ from swiftclient.service import (
     SwiftService, SwiftError, SwiftUploadObject
 )
 
-from tests.unit import utils as test_utils
+from test.unit import utils as test_utils
 
 
 clean_os_environ = {}
@@ -1060,11 +1060,11 @@ class TestService(unittest.TestCase):
     @mock.patch('swiftclient.service.getsize', return_value=4)
     def test_upload_with_relative_path(self, *args, **kwargs):
         service = SwiftService({})
-        objects = [{'path': "./test",
+        objects = [{'path': "./testobj",
                     'strt_indx': 2},
-                   {'path': os.path.join(os.getcwd(), "test"),
+                   {'path': os.path.join(os.getcwd(), "testobj"),
                     'strt_indx': 1},
-                   {'path': ".\\test",
+                   {'path': ".\\testobj",
                     'strt_indx': 2}]
         for obj in objects:
             with mock.patch('swiftclient.service.Connection') as mock_conn, \

tox.ini

@@ -24,7 +24,7 @@ passenv = SWIFT_* *_proxy
 [testenv:pep8]
 basepython = python3
 commands =
-    python -m flake8 swiftclient tests
+    python -m flake8 swiftclient test
 
 [testenv:venv]
 basepython = python3
@@ -44,7 +44,7 @@ commands =
 [testenv:func]
 basepython = python3
 setenv =
-    OS_TEST_PATH=tests.functional
+    OS_TEST_PATH=test.functional
     PYTHON=coverage run --source swiftclient --parallel-mode
 whitelist_externals =
     coverage