diff --git a/CEP/Pipeline/recipes/sip/master/deprecated/bbs.py b/CEP/Pipeline/recipes/sip/master/deprecated/bbs.py
index d1f4a665e4adf7aa7fb7b48f065c1f4f1fb3cbb6..491d7c0860d8b9bf9c6ade44a1a23ff021f1121b 100644
--- a/CEP/Pipeline/recipes/sip/master/deprecated/bbs.py
+++ b/CEP/Pipeline/recipes/sip/master/deprecated/bbs.py
@@ -196,7 +196,7 @@ class bbs(BaseRecipe):
             #                                         already available on disk.
             # ------------------------------------------------------------------
             self.logger.debug("Building VDS file describing data for BBS run")
-            vds_dir = tempfile.mkdtemp()
+            vds_dir = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
             vds_file = os.path.join(vds_dir, "bbs.gvds")
             combineproc = utilities.spawn_process(
                 [
@@ -344,7 +344,7 @@ class bbs(BaseRecipe):
         """
         env = utilities.read_initscript(self.logger, self.inputs['initscript'])
         self.logger.info("Running BBS GlobalControl")
-        working_dir = tempfile.mkdtemp()
+        working_dir = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
         with CatchLog4CPlus(
             working_dir,
             self.logger.name + ".GlobalControl",
diff --git a/CEP/Pipeline/recipes/sip/master/new_bbs.py b/CEP/Pipeline/recipes/sip/master/new_bbs.py
index 02b99cb80765a3535edf758280e1dd32c93f1710..acdaa5f073b70c4b9840c4a0a87eeca60b34c0ec 100644
--- a/CEP/Pipeline/recipes/sip/master/new_bbs.py
+++ b/CEP/Pipeline/recipes/sip/master/new_bbs.py
@@ -355,7 +355,7 @@ class new_bbs(BaseRecipe):
         code.
         """
         self.logger.info("Running BBS GlobalControl")
-        working_dir = tempfile.mkdtemp()
+        working_dir = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
         with CatchLog4CPlus(
             working_dir,
             self.logger.name + ".GlobalControl",
diff --git a/CEP/Pipeline/recipes/sip/master/setupparmdb.py b/CEP/Pipeline/recipes/sip/master/setupparmdb.py
index e887d33b1ddcdd3db8a9e5a7c51c0a5d1361a4cd..ad54b38277b6376bfa188372f50da38107aeaecb 100644
--- a/CEP/Pipeline/recipes/sip/master/setupparmdb.py
+++ b/CEP/Pipeline/recipes/sip/master/setupparmdb.py
@@ -90,7 +90,8 @@ class setupparmdb(BaseRecipe, RemoteCommandRecipeMixIn):
 
         # generate a temp dir
         pdbdir = tempfile.mkdtemp(
-            dir=self.config.get("layout", "job_directory")
+            dir=self.config.get("layout", "job_directory"),
+            suffix=".%s" % (os.path.basename(__file__),)
         )
         pdbfile = os.path.join(pdbdir, self.inputs['suffix'])
 
diff --git a/CEP/Pipeline/recipes/sip/nodes/bbs_reducer.py b/CEP/Pipeline/recipes/sip/nodes/bbs_reducer.py
index d327ae04c4d29a9f4b9e747632f8e7ad15940914..64e3bb9054fd2b2b5d92c631760c023a43f2706c 100644
--- a/CEP/Pipeline/recipes/sip/nodes/bbs_reducer.py
+++ b/CEP/Pipeline/recipes/sip/nodes/bbs_reducer.py
@@ -46,7 +46,7 @@ class bbs_reducer(LOFARnodeTCP):
                 return 1
 
             # Run bbs-reducer. Catch log output from bbs-reducer and stdout.
-            scratch_dir = mkdtemp()
+            scratch_dir = mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
             try:
                 cmd = [executable,
                        "--parmdb=%s" % parmdb, 
diff --git a/CEP/Pipeline/recipes/sip/nodes/deprecated/bbs.py b/CEP/Pipeline/recipes/sip/nodes/deprecated/bbs.py
index 6fbaca14092d505d086a556fd5dd9f5309a35f34..8ab25875631e5686dbf826d0e5e6b0b753c9c2b1 100644
--- a/CEP/Pipeline/recipes/sip/nodes/deprecated/bbs.py
+++ b/CEP/Pipeline/recipes/sip/nodes/deprecated/bbs.py
@@ -66,7 +66,7 @@ class bbs(LOFARnodeTCP):
             #                                                     Run the kernel
             #               Catch & log output from the kernel logger and stdout
             # ------------------------------------------------------------------
-            working_dir = mkdtemp()
+            working_dir = mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
             env = read_initscript(self.logger, initscript)
             try:
                 cmd = [executable, parset_filename, "0"]
diff --git a/CEP/Pipeline/recipes/sip/nodes/deprecated/cimager.py b/CEP/Pipeline/recipes/sip/nodes/deprecated/cimager.py
index 4b1d715c61f61c18b801399586793372f8e85181..278d47336c6a92541392e1bfbcb4ef7f3a6c99a3 100644
--- a/CEP/Pipeline/recipes/sip/nodes/deprecated/cimager.py
+++ b/CEP/Pipeline/recipes/sip/nodes/deprecated/cimager.py
@@ -47,7 +47,7 @@ class cimager(LOFARnodeTCP):
                     self.logger.info("Image already exists: aborting.")
                     return 0
             try:
-                working_dir = mkdtemp()
+                working_dir = mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
 
                 #   If a time range has been specified, copy that section of the
                 #                                  input MS and only image that.
diff --git a/CEP/Pipeline/recipes/sip/nodes/deprecated/demixing.py b/CEP/Pipeline/recipes/sip/nodes/deprecated/demixing.py
index c72a5cf9e8f49c8e1276964bd4f436f35884556a..cbd49e5a281b14cc6f0c89d7532f042d6ab3c8e4 100644
--- a/CEP/Pipeline/recipes/sip/nodes/deprecated/demixing.py
+++ b/CEP/Pipeline/recipes/sip/nodes/deprecated/demixing.py
@@ -54,7 +54,7 @@ class demixing(LOFARnodeTCP):
 
     def _execute(self, cmd):
         try:
-            temp_dir = tempfile.mkdtemp()
+            temp_dir = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
             with CatchLog4CPlus(temp_dir,
                                 self.logger.name,
                                 os.path.basename(cmd[0])
diff --git a/CEP/Pipeline/recipes/sip/nodes/dppp.py b/CEP/Pipeline/recipes/sip/nodes/dppp.py
index de369323e889d343b29f7e794720b3d590ef3079..f77761729c52edc1e978753bec84419e063d34b1 100644
--- a/CEP/Pipeline/recipes/sip/nodes/dppp.py
+++ b/CEP/Pipeline/recipes/sip/nodes/dppp.py
@@ -142,7 +142,7 @@ class dppp(LOFARnodeTCP):
                     temp_parset_filename
                 )
                 try:
-                    working_dir = tempfile.mkdtemp()
+                    working_dir = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
             # ****************************************************************
             # 6. Run ndppp
                     cmd = [executable, temp_parset_filename, '1']
diff --git a/CEP/Pipeline/recipes/sip/nodes/gainoutliercorrection.py b/CEP/Pipeline/recipes/sip/nodes/gainoutliercorrection.py
index 03ee5128f5900c996aa9e8756d7a13d8b08793f3..db263daa8594159aae108df39faa2d69b087b1bf 100644
--- a/CEP/Pipeline/recipes/sip/nodes/gainoutliercorrection.py
+++ b/CEP/Pipeline/recipes/sip/nodes/gainoutliercorrection.py
@@ -77,7 +77,7 @@ class gainoutliercorrection(LOFARnodeTCP):
         self.logger.info(
             "Using the gainoutlier correction based on parmexportcal")
         try:
-            temp_dir = tempfile.mkdtemp()
+            temp_dir = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
             with CatchLog4CPlus(
                 temp_dir,
                 self.logger.name + '.' + os.path.basename(infile),
diff --git a/CEP/Pipeline/recipes/sip/nodes/imager_finalize.py b/CEP/Pipeline/recipes/sip/nodes/imager_finalize.py
index 81cc87d795acaf5b07bfafa27684f3b6e1430cbe..a06849c3dbdadb36aba4ca6d5c901b9c40eeb9cd 100644
--- a/CEP/Pipeline/recipes/sip/nodes/imager_finalize.py
+++ b/CEP/Pipeline/recipes/sip/nodes/imager_finalize.py
@@ -116,7 +116,7 @@ class imager_finalize(LOFARnodeTCP):
                 os.unlink(fits_output)
 
             try:
-                temp_dir = tempfile.mkdtemp()
+                temp_dir = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
                 with CatchLog4CPlus(temp_dir,
                     self.logger.name + '.' + os.path.basename(awimager_output),
                             "image2fits") as logger:
diff --git a/CEP/Pipeline/recipes/sip/nodes/new_bbs.py b/CEP/Pipeline/recipes/sip/nodes/new_bbs.py
index a0ee543182e7e52ddf4abd582fa7b5c0df8b5755..0123140135f7cb5329e7b693017b1ef69088fcd6 100644
--- a/CEP/Pipeline/recipes/sip/nodes/new_bbs.py
+++ b/CEP/Pipeline/recipes/sip/nodes/new_bbs.py
@@ -75,7 +75,7 @@ class new_bbs(LOFARnodeTCP):
             #                                                     Run the kernel
             #               Catch & log output from the kernel logger and stdout
             # ------------------------------------------------------------------
-            working_dir = mkdtemp()
+            working_dir = mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
             try:
                 self.logger.info("******** {0}".format(open(parset_file).read()))
                 cmd = [executable, parset_file, "0"]
diff --git a/CEP/Pipeline/recipes/sip/nodes/rficonsole.py b/CEP/Pipeline/recipes/sip/nodes/rficonsole.py
index d9869abff65bbdb1049ff4244dc07d70d82163a0..ceecf728f5941a97ab1e0089ee4735ff201569bb 100644
--- a/CEP/Pipeline/recipes/sip/nodes/rficonsole.py
+++ b/CEP/Pipeline/recipes/sip/nodes/rficonsole.py
@@ -27,7 +27,7 @@ class rficonsole(LOFARnodeTCP):
                 if not os.access(executable, os.X_OK):
                     raise ExecutableMissing(executable)
 
-                working_dir = tempfile.mkdtemp(dir=wd)
+                working_dir = tempfile.mkdtemp(dir=wd,suffix=".%s" % (os.path.basename(__file__),))
                 cmd = [executable, "-j", str(nthreads)]
                 if strategy:
                     if os.path.exists(strategy):
diff --git a/CEP/Pipeline/recipes/sip/nodes/setupsourcedb.py b/CEP/Pipeline/recipes/sip/nodes/setupsourcedb.py
index ee35999e2d938e85f86acfab0991718ec62c5e32..af1212d13c4fae1f88da87dc5bf6e9b3668b3b1b 100644
--- a/CEP/Pipeline/recipes/sip/nodes/setupsourcedb.py
+++ b/CEP/Pipeline/recipes/sip/nodes/setupsourcedb.py
@@ -49,7 +49,7 @@ class setupsourcedb(LOFARnodeTCP):
             shutil.rmtree(skydb, ignore_errors=True)
 
             self.logger.info("Creating skymodel: %s" % (skydb))
-            scratch_dir = tempfile.mkdtemp()
+            scratch_dir = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
             try:
                 cmd = [executable,
                        "in=%s" % catalogue,
diff --git a/CEP/Pipeline/test/recipes/helpers/WritableParmDB_test.py b/CEP/Pipeline/test/recipes/helpers/WritableParmDB_test.py
index adc4651d8490ebe63b5b0abf7419c4f1f0cc1b57..6da1b92ed44e36fb3e52fb68db66df1fc959a8e9 100644
--- a/CEP/Pipeline/test/recipes/helpers/WritableParmDB_test.py
+++ b/CEP/Pipeline/test/recipes/helpers/WritableParmDB_test.py
@@ -28,7 +28,7 @@ class writableParmdbTest(unittest.TestCase):
         super(writableParmdbTest, self).__init__(arg)
 
     def setUp(self):
-        self.tempDir = tempfile.mkdtemp()
+        self.tempDir = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
         self.tempParmDB = os.path.join(self.tempDir, "parmDB")
         self.writable_parmdb = writableParmdbWrapper(self.tempParmDB)
 
diff --git a/CEP/Pipeline/test/recipes/master/copier_test.py b/CEP/Pipeline/test/recipes/master/copier_test.py
index 518445c1a1ea456b6b4c612b63352c2d8fc409d4..b94b35ce06cf6f1e68eb92cfe4eb8d3b639a78b6 100644
--- a/CEP/Pipeline/test/recipes/master/copier_test.py
+++ b/CEP/Pipeline/test/recipes/master/copier_test.py
@@ -33,10 +33,10 @@ class copierTest(unittest.TestCase):
 
     def setUp(self):
         self.imager_create_dbs = copierWrapper()
-        self.test_path = temp_path = tempfile.mkdtemp()
+        self.test_path = temp_path = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
 
     def tearDown(self):
-        #shutil.rmtree(self.test_path)
+        shutil.rmtree(self.test_path)
         pass
 
     def test_validate_mapfiles_norename(self):
@@ -120,10 +120,10 @@ class MasterNodeInterfaceTest(unittest.TestCase):
         super(MasterNodeInterfaceTest, self).__init__(arg)
 
     def setUp(self):
-        self.test_path = temp_path = tempfile.mkdtemp()
+        self.test_path = temp_path = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
 
     def tearDown(self):
-        #shutil.rmtree(self.test_path)
+        shutil.rmtree(self.test_path)
         pass
 
     def test__init__raise_exception(self):
diff --git a/CEP/Pipeline/test/recipes/master/imager_bbs_test.py b/CEP/Pipeline/test/recipes/master/imager_bbs_test.py
index 5bc5e2edea0b8304e6aeaf7db602c59efd408da3..d85e0d7c74b8a25c52361f5af8778e28dc1c0f64 100644
--- a/CEP/Pipeline/test/recipes/master/imager_bbs_test.py
+++ b/CEP/Pipeline/test/recipes/master/imager_bbs_test.py
@@ -35,10 +35,10 @@ class imager_bbsTest(unittest.TestCase):
         super(imager_bbsTest, self).__init__(arg)
 
     def setUp(self):
-        self.test_path = temp_path = tempfile.mkdtemp()
+        self.test_path = temp_path = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
 
     def tearDown(self):
-        #shutil.rmtree(self.test_path)
+        shutil.rmtree(self.test_path)
         pass
 
     def test_constructor(self):
diff --git a/CEP/Pipeline/test/recipes/master/imager_create_dbs_test.py b/CEP/Pipeline/test/recipes/master/imager_create_dbs_test.py
index af56368efd08f4a05146e517ce0e93fe6ca8c623..ca5b75912416ef0123b1dfaf485658d36a620877 100644
--- a/CEP/Pipeline/test/recipes/master/imager_create_dbs_test.py
+++ b/CEP/Pipeline/test/recipes/master/imager_create_dbs_test.py
@@ -35,10 +35,10 @@ class imager_create_dbsTest(unittest.TestCase):
         super(imager_create_dbsTest, self).__init__(arg)
 
     def setUp(self):
-        self.test_path = temp_path = tempfile.mkdtemp()
+        self.test_path = temp_path = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
 
     def tearDown(self):
-        #shutil.rmtree(self.test_path)
+        shutil.rmtree(self.test_path)
         pass
 
     def test_validate_input_data(self):
diff --git a/CEP/Pipeline/test/recipes/master/imager_prepare_test.py b/CEP/Pipeline/test/recipes/master/imager_prepare_test.py
index a4504406a2d623a0294d0f62cc036bc78aed9c76..5eb2c34067c9ba0f3b49ac51667d794e370fb669 100644
--- a/CEP/Pipeline/test/recipes/master/imager_prepare_test.py
+++ b/CEP/Pipeline/test/recipes/master/imager_prepare_test.py
@@ -33,10 +33,10 @@ class imager_prepareTest(unittest.TestCase):
         super(imager_prepareTest, self).__init__(arg)
 
     def setUp(self):
-        self.test_path = temp_path = tempfile.mkdtemp()
+        self.test_path = temp_path = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
 
     def tearDown(self):
-        #shutil.rmtree(self.test_path)
+        shutil.rmtree(self.test_path)
         pass
 
     def test_create_input_map_for_sbgroup_single_ms(self):
diff --git a/CEP/Pipeline/test/recipes/nodes/copier_test.py b/CEP/Pipeline/test/recipes/nodes/copier_test.py
index d72935df9584d0461aec7cc1de44f25b591d7fdd..fe67f3444fb0a67c210b07748c0d52463b9c9f2f 100644
--- a/CEP/Pipeline/test/recipes/nodes/copier_test.py
+++ b/CEP/Pipeline/test/recipes/nodes/copier_test.py
@@ -38,7 +38,7 @@ class copierTest(unittest.TestCase):
 
     def tearDown(self):
         pass
-        #shutil.rmtree(self.test_path)
+        shutil.rmtree(self.test_path)
 
 #    # refactor of copier means this test is not needed anymore. Comment out for 
 #    # now
@@ -49,7 +49,7 @@ class copierTest(unittest.TestCase):
 #        rsync return value
 #        
 #        """
-#        temp_dir = tempfile.mkdtemp()
+#        temp_dir = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
 #        path_to_unowned_dir = "/home/klijntest/testdir"  #
 #        file_to_copy = open(os.path.join(temp_dir, "test.txt"), 'w')
 #        file_to_copy.close()
diff --git a/CEP/Pipeline/test/recipes/nodes/gainoutliercorrection_test.py b/CEP/Pipeline/test/recipes/nodes/gainoutliercorrection_test.py
index 60b446fd50913463b85b5820b0cfd66d37f19a96..014fce027a85e125bf6d2cb80be6ce8704dedd84 100644
--- a/CEP/Pipeline/test/recipes/nodes/gainoutliercorrection_test.py
+++ b/CEP/Pipeline/test/recipes/nodes/gainoutliercorrection_test.py
@@ -30,7 +30,7 @@ class GainOutlierDetectionTest(unittest.TestCase):
         super(GainOutlierDetectionTest, self).__init__(arg)
 
     def setUp(self):
-        self.tempDir = tempfile.mkdtemp()
+        self.tempDir = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
 
 
     def tearDown(self):
diff --git a/CEP/Pipeline/test/recipes/nodes/imager_bbs_test.py b/CEP/Pipeline/test/recipes/nodes/imager_bbs_test.py
index 9a17e1faf8b8dde5b0baea98b62b6831bef3602b..cb67c88998a4d59e4933e6c08ec88e735f321111 100644
--- a/CEP/Pipeline/test/recipes/nodes/imager_bbs_test.py
+++ b/CEP/Pipeline/test/recipes/nodes/imager_bbs_test.py
@@ -33,9 +33,10 @@ class imager_bbsTest(unittest.TestCase):
         super(imager_bbsTest, self).__init__(arg)
 
     def setUp(self):
-        self.test_path = tempfile.mkdtemp()
+        self.test_path = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
 
     def tearDown(self):
+        shutil.rmtree(self.test_path)
         pass
 
     def test_constructor(self):
diff --git a/CEP/Pipeline/test/recipes/nodes/imager_create_dbs_test.py b/CEP/Pipeline/test/recipes/nodes/imager_create_dbs_test.py
index bce1838dae1be5b2a20c6acb58003b1e5b1651ef..004cd81676eb1ad04fda512aec92d10cd995b22c 100644
--- a/CEP/Pipeline/test/recipes/nodes/imager_create_dbs_test.py
+++ b/CEP/Pipeline/test/recipes/nodes/imager_create_dbs_test.py
@@ -46,9 +46,10 @@ class ImagerCreateDBsTest(unittest.TestCase):
 
     def setUp(self):
         self.imager_create_dbs = ImagerCreateDBsTestWrapper()
-        self.test_path = tempfile.mkdtemp()
+        self.test_path = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
 
     def tearDown(self):
+        shutil.rmtree(self.test_path)
         pass
 
 # New version of gsm: Quick fix to allow tests to succeed
diff --git a/CEP/Pipeline/test/recipes/nodes/imager_prepare_test.py b/CEP/Pipeline/test/recipes/nodes/imager_prepare_test.py
index 85cc51057fc6a076ac197c9f24be3297c16fc756..35e61a823acbc5d50635faae89d9228840efb14b 100644
--- a/CEP/Pipeline/test/recipes/nodes/imager_prepare_test.py
+++ b/CEP/Pipeline/test/recipes/nodes/imager_prepare_test.py
@@ -40,9 +40,10 @@ class ImagerPrepareTest(unittest.TestCase):
 
     def setUp(self):
         self.ImagerPrepareTestWrapper = ImagerPrepareTestWrapper()
-        self.test_path = tempfile.mkdtemp()
+        self.test_path = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
 
     def tearDown(self):
+        shutil.rmtree(self.test_path)
         pass
 
     def test__copy_input_files_multi_file(self):
@@ -97,7 +98,7 @@ class ImagerPrepareTest(unittest.TestCase):
         """
         working_dir = ""
 
-        time_slice_dir_path = tempfile.mkdtemp()
+        time_slice_dir_path = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
         slices_per_image = 2
         input_map = [("lce072", "test_file_path1"),
                          ("lce072", "test_file_path2"),
@@ -145,6 +146,8 @@ class ImagerPrepareTest(unittest.TestCase):
                 "time_slice_1.dppp.ms.ndppp.par")).read())
         self.assertTrue(parset_2_output == parset_2_content_expected,
                 "\n{0} != \n{1}".format(parset_2_output, parset_2_content_expected))
+        
+        shutil.rmtree(time_slice_dir_path)
 
 
 if __name__ == "__main__":
diff --git a/CEP/Pipeline/test/support/data_map_test.py b/CEP/Pipeline/test/support/data_map_test.py
index 17ad4c607ebb537455828066eae6b26a19135a75..5321e766e946f50cf085f57133a76e5b8c808cc0 100644
--- a/CEP/Pipeline/test/support/data_map_test.py
+++ b/CEP/Pipeline/test/support/data_map_test.py
@@ -33,7 +33,7 @@ class DataMapTest(unittest.TestCase):
         """
         Create scratch directory and create required input files in there.
         """
-        self.tmpdir = tempfile.mkdtemp()
+        self.tmpdir = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
         self.old_style_map_file = self._create_old_style_map_file()
         self.new_style_map_file = self._create_new_style_map_file()
         self.syntax_error_map_file = self._create_syntax_error_map_file()
@@ -155,7 +155,7 @@ class MultiDataMapTest(unittest.TestCase):
         """
         Create scratch directory and create required input files in there.
         """
-        self.tmpdir = tempfile.mkdtemp()
+        self.tmpdir = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
         self.old_style_map_file = self._create_old_style_map_file()
         self.new_style_map_file = self._create_new_style_map_file()
         self.syntax_error_map_file = self._create_syntax_error_map_file()
@@ -290,7 +290,7 @@ class HelperFunctionDataMapTest(unittest.TestCase):
         """
         Create scratch directory and create required input files in there.
         """
-        self.tmpdir = tempfile.mkdtemp()
+        self.tmpdir = tempfile.mkdtemp(suffix=".%s" % (os.path.basename(__file__),))
         self.old_style_map_file = self._create_old_style_map_file()
         self.new_style_map_file = self._create_new_style_map_file()
         self.syntax_error_map_file = self._create_syntax_error_map_file()