diff --git a/tempest/tests/cmd/test_run.py b/tempest/tests/cmd/test_run.py
index 98ca12d..9a6be4e 100644
--- a/tempest/tests/cmd/test_run.py
+++ b/tempest/tests/cmd/test_run.py
@@ -24,11 +24,14 @@
 import six
 
 from tempest.cmd import run
+from tempest import config
 from tempest.tests import base
 
 DEVNULL = open(os.devnull, 'wb')
 atexit.register(DEVNULL.close)
 
+CONF = config.CONF
+
 
 class TestTempestRun(base.TestCase):
 
@@ -140,6 +143,35 @@
                             '--regex', 'passing'], 0)
 
 
+class TestConfigPathCheck(base.TestCase):
+    def setUp(self):
+        super(TestConfigPathCheck, self).setUp()
+        self.run_cmd = run.TempestRun(None, None)
+
+    def test_tempest_run_set_config_path(self):
+        # Note: (mbindlish) This test is created for the bug id: 1783751
+        # Checking TEMPEST_CONFIG_DIR and TEMPEST_CONFIG is actually
+        # getting set in os environment when some data has passed to
+        # set the environment.
+
+        self.run_cmd._set_env("/fakedir/fakefile")
+        self.assertEqual("/fakedir/fakefile", CONF._path)
+        self.assertIn('TEMPEST_CONFIG_DIR', os.environ)
+        self.assertEqual("/fakedir/fakefile",
+                         os.path.join(os.environ['TEMPEST_CONFIG_DIR'],
+                                      os.environ['TEMPEST_CONFIG']))
+
+    def test_tempest_run_set_config_no_path(self):
+        # Note: (mbindlish) This test is created for the bug id: 1783751
+        # Checking TEMPEST_CONFIG_DIR and TEMPEST_CONFIG should have no value
+        # in os environment when no data has passed to set the environment.
+
+        self.run_cmd._set_env("")
+        self.assertFalse(CONF._path)
+        self.assertNotIn('TEMPEST_CONFIG_DIR', os.environ)
+        self.assertNotIn('TEMPEST_CONFIG', os.environ)
+
+
 class TestTakeAction(base.TestCase):
     def test_workspace_not_registered(self):
         class Exception_(Exception):