diff --git a/Lib/test/test_doctest.py b/Lib/test/test_doctest.py
index c9b1b85..0cb4f18 100644
--- a/Lib/test/test_doctest.py
+++ b/Lib/test/test_doctest.py
@@ -907,6 +907,35 @@
         ZeroDivisionError: integer division or modulo by zero
     TestResults(failed=1, attempted=1)
 """
+    def displayhook(): r"""
+Test that changing sys.displayhook doesn't matter for doctest.
+
+    >>> import sys
+    >>> orig_displayhook = sys.displayhook
+    >>> def my_displayhook(x):
+    ...     print('hi!')
+    >>> sys.displayhook = my_displayhook
+    >>> def f():
+    ...     '''
+    ...     >>> 3
+    ...     3
+    ...     '''
+    >>> test = doctest.DocTestFinder().find(f)[0]
+    >>> r = doctest.DocTestRunner(verbose=False).run(test)
+    >>> post_displayhook = sys.displayhook
+
+    We need to restore sys.displayhook now, so that we'll be able to test
+    results.
+
+    >>> sys.displayhook = orig_displayhook
+
+    Ok, now we can check that everything is ok.
+
+    >>> r
+    TestResults(failed=0, attempted=1)
+    >>> post_displayhook is my_displayhook
+    True
+"""
     def optionflags(): r"""
 Tests of `DocTestRunner`'s option flag handling.
 
diff --git a/Lib/test/test_pdb.py b/Lib/test/test_pdb.py
index 5d52707..9ab0b33 100644
--- a/Lib/test/test_pdb.py
+++ b/Lib/test/test_pdb.py
@@ -126,6 +126,48 @@
     """
 
 
+def test_pdb_continue_in_bottomframe():
+    """Test that "continue" and "next" work properly in bottom frame (issue #5294).
+
+    >>> def test_function():
+    ...     import pdb, sys; inst = pdb.Pdb()
+    ...     inst.set_trace()
+    ...     inst.botframe = sys._getframe()  # hackery to get the right botframe
+    ...     print(1)
+    ...     print(2)
+    ...     print(3)
+    ...     print(4)
+
+    >>> with PdbTestInput([
+    ...     'next',
+    ...     'break 7',
+    ...     'continue',
+    ...     'next',
+    ...     'continue',
+    ...     'continue',
+    ... ]):
+    ...    test_function()
+    > <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(4)test_function()
+    -> inst.botframe = sys._getframe()  # hackery to get the right botframe
+    (Pdb) next
+    > <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(5)test_function()
+    -> print(1)
+    (Pdb) break 7
+    Breakpoint 1 at <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>:7
+    (Pdb) continue
+    1
+    2
+    > <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(7)test_function()
+    -> print(3)
+    (Pdb) next
+    3
+    > <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(8)test_function()
+    -> print(4)
+    (Pdb) continue
+    4
+    """
+
+
 def test_main():
     from test import test_pdb
     support.run_doctest(test_pdb, verbosity=True)