Increase default wait_timeout

We still experience many timeouts of random test cases so increase
that timeout further to 90 seconds.

Change-Id: I561717aa5df7268947bfaf3343da4f63224e6f5e

tests/base.py

@@ -2258,7 +2258,7 @@ class PostgresqlSchemaFixture(fixtures.Fixture):
 
 class BaseTestCase(testtools.TestCase):
     log = logging.getLogger("zuul.test")
-    wait_timeout = 60
+    wait_timeout = 90
 
     def attachLogs(self, *args):
         def reader():

tests/remote/test_remote_zuul_stream.py

@@ -30,9 +30,6 @@ class TestZuulStream25(AnsibleZuulTestCase):
         ansible_remote = os.environ.get('ZUUL_REMOTE_IPV4')
         self.assertIsNotNone(ansible_remote)
 
-        # on some systems this test may run longer than 30 seconds
-        self.wait_timeout = 60
-
     def _run_job(self, job_name):
         # Keep the jobdir around so we can inspect contents if an
         # assert fails. It will be cleaned up anyway as it is contained

tests/unit/test_v3.py

@@ -2618,7 +2618,6 @@ class TestPrePlaybooks(AnsibleZuulTestCase):
     # A temporary class to hold new tests while others are disabled
 
     tenant_config_file = 'config/pre-playbook/main.yaml'
-    wait_timeout = 60
 
     def test_pre_playbook_fail(self):
         # Test that we run the post playbooks (but not the actual
@@ -2704,7 +2703,6 @@ class TestPrePlaybooks(AnsibleZuulTestCase):
 
 class TestPostPlaybooks(AnsibleZuulTestCase):
     tenant_config_file = 'config/post-playbook/main.yaml'
-    wait_timeout = 60
 
     def test_post_playbook_abort(self):
         # Test that when we abort a job in the post playbook, that we