fix(tests): fixed potential freeze on vcs_operations tests

rhodecode/tests/fixture_mods/fixture_pyramid.py

@@ -58,7 +58,7 b' def vcsserver_factory(tmpdir_factory):'
     """
 
     def factory(request, overrides=(), vcsserver_port=None,
-                log_file=None, workers='2'):
+                log_file=None, workers='3'):
 
         if vcsserver_port is None:
             vcsserver_port = get_available_port()

rhodecode/tests/server_utils.py

@@ -143,13 +143,14 b' class RcVCSServer(ServerBase):'
     log_file_name = 'rc-vcsserver.log'
     status_url_tmpl = 'http://{host}:{port}/status'
 
-    def __init__(self, config_file, log_file=None, workers='2'):
+    def __init__(self, config_file, log_file=None, workers='3'):
         super(RcVCSServer, self).__init__(config_file, log_file)
         self._args = [
             'gunicorn',
             '--bind', self.bind_addr,
-            '--worker-class', 'gthread',
-            '--backlog', '16',
+            '--worker-class', 'sync',
+            '--threads', '1',
+            '--backlog', '8',
             '--timeout', '300',
             '--workers', workers,
             '--paste', self.config_file]
@@ -180,13 +181,14 b' class RcWebServer(ServerBase):'
     log_file_name = 'rc-web.log'
     status_url_tmpl = 'http://{host}:{port}/_admin/ops/ping'
 
-    def __init__(self, config_file, log_file=None, workers='1'):
+    def __init__(self, config_file, log_file=None, workers='2'):
         super(RcWebServer, self).__init__(config_file, log_file)
         self._args = [
             'gunicorn',
             '--bind', self.bind_addr,
             '--worker-class', 'gthread',
-            '--backlog', '16',
+            '--threads', '4',
+            '--backlog', '8',
             '--timeout', '300',
             '--workers', workers,
             '--paste', self.config_file]