src/_pytest/legacypath.py |  4 ++--
 src/_pytest/pytester.py   |  4 ++--
 testing/test_debugging.py | 13 ++++++++-----
 3 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/src/_pytest/legacypath.py b/src/_pytest/legacypath.py
index af1d0c07e..c2c78425f 100644
--- a/src/_pytest/legacypath.py
+++ b/src/_pytest/legacypath.py
@@ -238,12 +238,12 @@ class Testdir:
         return self._pytester.runpytest_subprocess(*args, timeout=timeout)
 
     def spawn_pytest(
-        self, string: str, expect_timeout: float = 10.0
+        self, string: str, expect_timeout: float = 30.0
     ) -> "pexpect.spawn":
         """See :meth:`Pytester.spawn_pytest`."""
         return self._pytester.spawn_pytest(string, expect_timeout=expect_timeout)
 
-    def spawn(self, cmd: str, expect_timeout: float = 10.0) -> "pexpect.spawn":
+    def spawn(self, cmd: str, expect_timeout: float = 30.0) -> "pexpect.spawn":
         """See :meth:`Pytester.spawn`."""
         return self._pytester.spawn(cmd, expect_timeout=expect_timeout)
 
diff --git a/src/_pytest/pytester.py b/src/_pytest/pytester.py
index a9299944d..d5790e309 100644
--- a/src/_pytest/pytester.py
+++ b/src/_pytest/pytester.py
@@ -1511,7 +1511,7 @@ class Pytester:
         return self.run(*args, timeout=timeout)
 
     def spawn_pytest(
-        self, string: str, expect_timeout: float = 10.0
+        self, string: str, expect_timeout: float = 30.0
     ) -> "pexpect.spawn":
         """Run pytest using pexpect.
 
@@ -1526,7 +1526,7 @@ class Pytester:
         cmd = f"{invoke} --basetemp={basetemp} {string}"
         return self.spawn(cmd, expect_timeout=expect_timeout)
 
-    def spawn(self, cmd: str, expect_timeout: float = 10.0) -> "pexpect.spawn":
+    def spawn(self, cmd: str, expect_timeout: float = 30.0) -> "pexpect.spawn":
         """Run a command using pexpect.
 
         The pexpect child is returned.
diff --git a/testing/test_debugging.py b/testing/test_debugging.py
index eecc1e39f..8a23e6559 100644
--- a/testing/test_debugging.py
+++ b/testing/test_debugging.py
@@ -1,5 +1,6 @@
 import os
 import sys
+import time
 from typing import List
 
 import _pytest._code
@@ -189,6 +190,8 @@ class TestPDB:
         child = pytester.spawn_pytest(f"--pdb {p1}")
         child.expect("Pdb")
         child.sendline("p self.filename")
+        # sending the eof after sendline is sometimes ignored
+        time.sleep(child.delaybeforesend)
         child.sendeof()
         rest = child.read().decode("utf8")
         assert "debug.me" in rest
@@ -372,7 +375,7 @@ class TestPDB:
         result = pytester.runpytest_subprocess("--pdb", ".")
         result.stdout.fnmatch_lines(["-> import unknown"])
 
-    @pytest.mark.xfail(reason="#10042")
+    @pytest.mark.xfail(sys.version_info < (3, 8), reason="#10042")
     def test_pdb_interaction_capturing_simple(self, pytester: Pytester) -> None:
         p1 = pytester.makepyfile(
             """
@@ -541,7 +544,7 @@ class TestPDB:
         assert "BdbQuit" not in rest
         assert "UNEXPECTED EXCEPTION" not in rest
 
-    @pytest.mark.xfail(reason="#10042")
+    @pytest.mark.xfail(sys.version_info < (3, 8), reason="#10042")
     def test_pdb_interaction_capturing_twice(self, pytester: Pytester) -> None:
         p1 = pytester.makepyfile(
             """
@@ -577,7 +580,7 @@ class TestPDB:
         assert "1 failed" in rest
         self.flush(child)
 
-    @pytest.mark.xfail(reason="#10042")
+    @pytest.mark.xfail(sys.version_info < (3, 8), reason="#10042")
     def test_pdb_with_injected_do_debug(self, pytester: Pytester) -> None:
         """Simulates pdbpp, which injects Pdb into do_debug, and uses
         self.__class__ in do_continue.
@@ -1022,7 +1025,7 @@ class TestDebuggingBreakpoints:
         assert "reading from stdin while output" not in rest
         TestPDB.flush(child)
 
-    @pytest.mark.xfail(reason="#10042")
+    @pytest.mark.xfail(sys.version_info < (3, 8), reason="#10042")
     def test_pdb_not_altered(self, pytester: Pytester) -> None:
         p1 = pytester.makepyfile(
             """
@@ -1182,7 +1185,7 @@ def test_quit_with_swallowed_SystemExit(pytester: Pytester) -> None:
 
 
 @pytest.mark.parametrize("fixture", ("capfd", "capsys"))
-@pytest.mark.xfail(reason="#10042")
+@pytest.mark.xfail(sys.version_info < (3, 8), reason="#10042")
 def test_pdb_suspends_fixture_capturing(pytester: Pytester, fixture: str) -> None:
     """Using "-s" with pytest should suspend/resume fixture capturing."""
     p1 = pytester.makepyfile(