diff --git a/tests/run-tests.py b/tests/run-tests.py
--- a/tests/run-tests.py
+++ b/tests/run-tests.py
@@ -340,10 +340,7 @@ def terminate(proc):
     """Terminate subprocess (with fallback for Python versions < 2.6)"""
     vlog('# Terminating process %d' % proc.pid)
     try:
-        if hasattr(proc, 'terminate'):
-            proc.terminate()
-        else:
-            os.kill(proc.pid, signal.SIGTERM)
+        getattr(proc, 'terminate', lambda : os.kill(proc.pid, signal.SIGTERM))()
     except OSError:
         pass
 
diff --git a/tests/sitecustomize.py b/tests/sitecustomize.py
--- a/tests/sitecustomize.py
+++ b/tests/sitecustomize.py
@@ -1,6 +1,5 @@
 try:
     import coverage
-    if hasattr(coverage, 'process_startup'):
-        coverage.process_startup()
+    getattr(coverage, 'process_startup', lambda: None)()
 except ImportError:
     pass
diff --git a/tests/test-symlink-os-yes-fs-no.py b/tests/test-symlink-os-yes-fs-no.py
--- a/tests/test-symlink-os-yes-fs-no.py
+++ b/tests/test-symlink-os-yes-fs-no.py
@@ -5,7 +5,7 @@ TESTDIR = os.environ["TESTDIR"]
 BUNDLEPATH = os.path.join(TESTDIR, 'bundles', 'test-no-symlinks.hg')
 
 # only makes sense to test on os which supports symlinks
-if not hasattr(os, "symlink"):
+if not getattr(os, "symlink", False):
     sys.exit(80) # SKIPPED_STATUS defined in run-tests.py
 
 # clone with symlink support
diff --git a/tests/test-walkrepo.py b/tests/test-walkrepo.py
--- a/tests/test-walkrepo.py
+++ b/tests/test-walkrepo.py
@@ -5,7 +5,7 @@ from os import mkdir, chdir
 from os.path import join as pjoin
 
 u = ui.ui()
-sym = hasattr(os, 'symlink') and hasattr(os.path, 'samestat')
+sym = getattr(os, 'symlink', False) and getattr(os.path, 'samestat', False)
 
 hg.repository(u, 'top1', create=1)
 mkdir('subdir')
diff --git a/tests/tinyproxy.py b/tests/tinyproxy.py
--- a/tests/tinyproxy.py
+++ b/tests/tinyproxy.py
@@ -23,7 +23,8 @@ class ProxyHandler (BaseHTTPServer.BaseH
 
     def handle(self):
         (ip, port) =  self.client_address
-        if hasattr(self, 'allowed_clients') and ip not in self.allowed_clients:
+        allowed = getattr(self, 'allowed_clients', None)
+        if allowed is not None and ip not in allowed:
             self.raw_requestline = self.rfile.readline()
             if self.parse_request():
                 self.send_error(403)