diff --git a/.travis.yml b/.travis.yml
index 74d589a6008..23846b30983 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,7 @@ cache:
   directories:
         - $HOME/gcloud/
 env:
-        - PATH=$PATH:$HOME/gcloud/google-cloud-sdk/bin GOOGLE_APPLICATION_CREDENTIALS=$TRAVIS_BUILD_DIR/python-docs-samples.json PYTHONPATH=${HOME}/gcloud/google-cloud-sdk/platform/google_appengine #Other environment variables on same line
+        - PATH=$PATH:$HOME/gcloud/google-cloud-sdk/bin GOOGLE_APPLICATION_CREDENTIALS=$TRAVIS_BUILD_DIR/python-docs-samples.json PYTHONPATH=${HOME}/gcloud/google-cloud-sdk/platform/google_appengine TEST_BUCKET_NAME=bigquery-devrel-samples-bucket TEST_PROJECT_ID=bigquery-devrel-samples #Other environment variables on same line
 
 before_install:
         #ENCRYPT YOUR PRIVATE KEY (If you need authentication)
diff --git a/README.md b/README.md
index 50c7c2f0f4d..4ac43111e36 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,11 @@ Google Cloud SDK installation path.
     $ virtualenv -p python2.7 --no-site-packages /some/where
     $ source /some/where/bin/activate
     $ pip install tox
-    $ env PYTHONPATH=${GCLOUD}/platform/google_appengine tox
+    $ export PYTHONPATH=${GCLOUD}/platform/google_appengine
+    $ export GOOGLE_APPLICATION_CREDENTIALS=your-service-account-json-file
+    $ export TEST_PROJECT_ID={YOUR_PROJECT_ID}
+    $ export TEST_BUCKET={YOUR_BUCKET_NAME}
+    $ tox
 
 ## Licensing
 
diff --git a/bigquery/test/base_test.py b/bigquery/test/base_test.py
index 9765b23a9c4..175546d9d4e 100644
--- a/bigquery/test/base_test.py
+++ b/bigquery/test/base_test.py
@@ -18,18 +18,32 @@
 from bigquery.test import RESOURCE_PATH
 
 
+BUCKET_NAME_ENV = 'TEST_BUCKET_NAME'
+PROJECT_ID_ENV = 'TEST_PROJECT_ID'
+
+
 class BaseBigqueryTest(unittest.TestCase):
 
     def setUp(self):
-        # A hack to prevent get_application_default to choose App Engine route.
+        # A hack to prevent get_application_default from going GAE route.
         self._server_software_org = os.environ.get('SERVER_SOFTWARE')
         os.environ['SERVER_SOFTWARE'] = ''
-
+        test_bucket_name = os.environ.get(BUCKET_NAME_ENV, '')
+        test_project_id = os.environ.get(PROJECT_ID_ENV, '')
+        if not test_project_id or not test_bucket_name:
+            raise Exception('You need to define an env var "%s" and "%s" to '
+                            'run the test.'
+                            % (PROJECT_ID_ENV, BUCKET_NAME_ENV))
         with open(
                 os.path.join(RESOURCE_PATH, 'constants.json'),
                 'r') as constants_file:
 
             self.constants = json.load(constants_file)
+        self.constants['projectId'] = test_project_id
+        self.constants['cloudStorageInputURI'] = (
+            self.constants['cloudStorageInputURI'] % test_bucket_name)
+        self.constants['cloudStorageOutputURI'] = (
+            self.constants['cloudStorageOutputURI'] % test_bucket_name)
 
     def tearDown(self):
         os.environ['SERVER_SOFTWARE'] = self._server_software_org
diff --git a/resources/constants.json b/resources/constants.json
index 66b2964baf1..dd76bb905c9 100644
--- a/resources/constants.json
+++ b/resources/constants.json
@@ -1,9 +1,8 @@
 {
-	"projectId": "bigquery-devrel-samples",
 	"datasetId": "test_dataset",
 	"currentTableId": "test_table",
 	"newTableId": "test_table2",
-	"cloudStorageInputURI": "gs://bigquery-devrel-samples-bucket/data.csv",
-	"cloudStorageOutputURI": "gs://bigquery-devrel-samples-bucket/output.csv",
+	"cloudStorageInputURI": "gs://%s/data.csv",
+	"cloudStorageOutputURI": "gs://%s/output.csv",
 	"query": "SELECT corpus FROM publicdata:samples.shakespeare GROUP BY corpus;"
 }
diff --git a/tox.ini b/tox.ini
index 10685b6ac31..49c4765ffdf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,7 +3,7 @@ skipsdist = True
 envlist = {py27}-{nosetest,pep8}, cover
 
 [testenv]
-passenv = PYTHONPATH PROJECT_ID TRAVIS*
+passenv = PYTHONPATH GOOGLE_* GCLOUD_* TEST_* TRAVIS*
 basepython = 
     cover,py27: python2.7
 deps =
@@ -17,8 +17,6 @@ deps =
     cover: coverage
     cover: coveralls
     cover: nosexcover
-setenv =
-    GOOGLE_APPLICATION_CREDENTIALS=python-docs-samples.json
 commands = 
     cover: nosetests --with-gae --with-xunit --with-xcoverage \
     cover: --cover-tests --cover-branches --cover-min-percentage=70 \