test:utils/site: Consolidate Bzr environment variables in a single place

We have two different 'site' files that are redundant and both define
some variables in BuildStream environment.

This is a first step in consolidating them in a single file

4 files changed, 6 insertions, 15 deletions

diff --git a/tests/cachekey/cachekey.py b/tests/cachekey/cachekey.py
index 2e8c29805..e34c9ff04 100644
--- a/tests/cachekey/cachekey.py
+++ b/tests/cachekey/cachekey.py
@@ -45,9 +45,10 @@ import os
 import pytest
 
 from buildstream.testing.runcli import cli  # pylint: disable=unused-import
+from buildstream.testing._utils.site import HAVE_BZR
 from buildstream.plugin import CoreWarnings
 from buildstream import _yaml
-from tests.testutils.site import HAVE_BZR, HAVE_GIT, IS_LINUX, MACHINE_ARCH
+from tests.testutils.site import HAVE_GIT, IS_LINUX, MACHINE_ARCH
 
 
 ##############################################
diff --git a/tests/sources/bzr.py b/tests/sources/bzr.py
index a11932a49..4a66d89b3 100644
--- a/tests/sources/bzr.py
+++ b/tests/sources/bzr.py
@@ -8,7 +8,7 @@ from buildstream import _yaml
 
 from buildstream.testing import cli  # pylint: disable=unused-import
 from buildstream.testing import create_repo
-from tests.testutils.site import HAVE_BZR
+from buildstream.testing._utils.site import HAVE_BZR
 
 DATA_DIR = os.path.join(
     os.path.dirname(os.path.realpath(__file__)),
diff --git a/tests/testutils/repo/bzr.py b/tests/testutils/repo/bzr.py
index 53bacad17..8b2f17844 100644
--- a/tests/testutils/repo/bzr.py
+++ b/tests/testutils/repo/bzr.py
@@ -3,21 +3,16 @@ import subprocess
 import pytest
 
 from buildstream.testing import Repo
-from .. import site
-
-
-BZR_ENV = {
-    "BZR_EMAIL": "Testy McTesterson <testy.mctesterson@example.com>"
-}
+from buildstream.testing._utils.site import BZR, BZR_ENV, HAVE_BZR
 
 
 class Bzr(Repo):
 
     def __init__(self, directory, subdir):
-        if not site.HAVE_BZR:
+        if not HAVE_BZR:
             pytest.skip("bzr is not available")
         super(Bzr, self).__init__(directory, subdir)
-        self.bzr = site.BZR
+        self.bzr = BZR
 
     def create(self, directory):
         branch_dir = os.path.join(self.repo, 'trunk')
diff --git a/tests/testutils/site.py b/tests/testutils/site.py
index ef315efd6..a7ff415e3 100644
--- a/tests/testutils/site.py
+++ b/tests/testutils/site.py
@@ -9,11 +9,6 @@ import platform
 from buildstream import _site, utils, ProgramNotFoundError
 from buildstream._platform import Platform
 
-try:
-    BZR = utils.get_host_tool('bzr')
-    HAVE_BZR = True
-except ProgramNotFoundError:
-    HAVE_BZR = False
 
 try:
     GIT = utils.get_host_tool('git')