PY-19738: test added

Run tests, then delete files, and try to rerun it. Message and exc. should be displayed

python/testData/testRunner/env/unit/tests_to_rerun.py

@@ -0,0 +1,14 @@
+__author__ = 'Ilya.Kazakevich'
+import unittest
+import time
+
+class TestMe2(unittest.TestCase):
+    def test_pass(self):
+        time.sleep(1)
+
+    def test_raise(self):
+        raise ValueError
+
+class TestMe(unittest.TestCase):
+    def test_pass2(self):
+        pass