tests: test_pdb: fix print statements

testing/test_pdb.py

@@ -525,7 +525,7 @@ class TestPDB(object):
             """
             def pytest_enter_pdb(config):
                 assert config.testing_verification == 'configured'
-                print 'enter_pdb_hook'
+                print('enter_pdb_hook')
 
             def pytest_configure(config):
                 config.testing_verification = 'configured'
@@ -562,7 +562,7 @@ class TestPDB(object):
             custom_pdb="""
             class CustomPdb(object):
                 def set_trace(*args, **kwargs):
-                    print 'custom set_trace>'
+                    print('custom set_trace>')
          """
         )
         p1 = testdir.makepyfile(