diff --git a/tests/Eccube/Tests/Session/Storage/Handler/SameSiteNoneCompatSessionHandlerTest.php b/tests/Eccube/Tests/Session/Storage/Handler/SameSiteNoneCompatSessionHandlerTest.php
index 80d1636054d..b9dee632ffb 100644
--- a/tests/Eccube/Tests/Session/Storage/Handler/SameSiteNoneCompatSessionHandlerTest.php
+++ b/tests/Eccube/Tests/Session/Storage/Handler/SameSiteNoneCompatSessionHandlerTest.php
@@ -101,16 +101,7 @@ public function provideSession()
                 // TODO Mock が動作しないためスキップ
                 continue;
             }
-            if ($name == 'regenerate') {
-                // XXX PHP7.4.5-7.4.7, 7.3.17-7.3.19 のバグでエラーになるためスキップ
-                // see https://github.com/symfony/symfony/pull/36485#issuecomment-615928699
-                if (PHP_VERSION_ID === 70405) continue;
-                if (PHP_VERSION_ID === 70406) continue;
-                if (PHP_VERSION_ID === 70407) continue;
-                if (PHP_VERSION_ID === 70317) continue;
-                if (PHP_VERSION_ID === 70318) continue;
-                if (PHP_VERSION_ID === 70319) continue;
-            }
+
             foreach ($userAgents as $user_agent => $shouldSendSameSiteNone) {
                 yield [$name, $user_agent, $shouldSendSameSiteNone];
             }
diff --git a/tests/Fixtures/session/regenerate.expected b/tests/Fixtures/session/regenerate.expected
index d462a571c37..bd166b81ef3 100644
--- a/tests/Fixtures/session/regenerate.expected
+++ b/tests/Fixtures/session/regenerate.expected
@@ -11,6 +11,7 @@ validateId
 read
 doRead: abc|i:123;
 read
+doRead: abc|i:123;
 
 write
 doWrite: abc|i:123;
diff --git a/tests/Fixtures/session/regenerate.samesite-compat.expected b/tests/Fixtures/session/regenerate.samesite-compat.expected
index 123839f3ad3..3d4165364fe 100644
--- a/tests/Fixtures/session/regenerate.samesite-compat.expected
+++ b/tests/Fixtures/session/regenerate.samesite-compat.expected
@@ -11,6 +11,7 @@ validateId
 read
 doRead: abc|i:123;
 read
+doRead: abc|i:123;
 
 write
 doWrite: abc|i:123;
diff --git a/tests/Fixtures/session/regenerate.samesite.expected b/tests/Fixtures/session/regenerate.samesite.expected
index 8f5e59a2fb4..b004cc2d826 100644
--- a/tests/Fixtures/session/regenerate.samesite.expected
+++ b/tests/Fixtures/session/regenerate.samesite.expected
@@ -11,6 +11,7 @@ validateId
 read
 doRead: abc|i:123;
 read
+doRead: abc|i:123;
 
 write
 doWrite: abc|i:123;
diff --git a/tests/Fixtures/session/regenerate.secure.expected b/tests/Fixtures/session/regenerate.secure.expected
index baa5f2f6f5c..d825f44f7cb 100644
--- a/tests/Fixtures/session/regenerate.secure.expected
+++ b/tests/Fixtures/session/regenerate.secure.expected
@@ -11,6 +11,7 @@ validateId
 read
 doRead: abc|i:123;
 read
+doRead: abc|i:123;
 
 write
 doWrite: abc|i:123;