diff --git a/api/tests/Vfs/Links/StreamWrapperTest.php b/api/tests/Vfs/Links/StreamWrapperTest.php
index 431a8b3c31..1ce3cbabea 100644
--- a/api/tests/Vfs/Links/StreamWrapperTest.php
+++ b/api/tests/Vfs/Links/StreamWrapperTest.php
@@ -57,6 +57,23 @@ class StreamWrapperTest extends Vfs\StreamWrapperBase
 		parent::testNoReadAccess();
 	}
 
+	public function testWithAccess(): void
+	{
+		$info_id = $this->make_infolog();
+		$this->files[] = $this->test_file = $this->getFilename(null, $info_id);
+
+		parent::testWithAccess();
+	}
+
+	protected function allowAccess(string $test_name, string $test_file, int $test_user, string $needed)
+	{
+		// We'll allow access by putting test user in responsible
+		$so = new \infolog_so();
+		$element = $so->read($this->entries[0]);
+		$element['info_responsible'] = [$test_user];
+		$so->write($so);
+	}
+
 	/**
 	 * Make an infolog entry
 	 */
diff --git a/api/tests/Vfs/ProppatchTest.php b/api/tests/Vfs/ProppatchTest.php
index b44b635c6f..905fc61619 100644
--- a/api/tests/Vfs/ProppatchTest.php
+++ b/api/tests/Vfs/ProppatchTest.php
@@ -19,7 +19,7 @@ use EGroupware\Api\Vfs;
 use EGroupware\Stylite\Vfs\Versioning;
 
 
-class ProppatchTest extends StreamWrapperBase
+class ProppatchTest extends LoggedInTest
 {
 	protected function setUp() : void
 	{
@@ -113,4 +113,17 @@ class ProppatchTest extends StreamWrapperBase
 		);
 
 	}
+
+	/**
+	 * Make a filename that reflects the current test
+	 */
+	protected function getFilename($path = null)
+	{
+		if(is_null($path)) $path = Vfs::get_home_dir().'/';
+		if(substr($path,-1,1) !== '/') $path = $path . '/';
+
+		$reflect = new \ReflectionClass($this);
+		return $path . $reflect->getShortName() . '_' . $this->getName(false) . '.txt';
+	}
+
 }
\ No newline at end of file
diff --git a/api/tests/Vfs/StreamWrapperBase.php b/api/tests/Vfs/StreamWrapperBase.php
index d11a3f31e4..b159f253e1 100644
--- a/api/tests/Vfs/StreamWrapperBase.php
+++ b/api/tests/Vfs/StreamWrapperBase.php
@@ -261,6 +261,67 @@ class StreamWrapperBase extends LoggedInTest
 
 	}
 
+
+	/**
+	 * Check that a user with permission to a file can access the file
+	 *
+	 * @depends testSimpleReadWrite
+	 * @throws Api\Exception\AssertionFailed
+	 */
+	public function testWithAccess() : void
+	{
+		if(!$this->test_file)
+		{
+			$this->markTestSkipped("No test file set - set it in setUp() or overriding test");
+		}
+
+		// Check that the file is not there
+		$pre_start = Vfs::stat($this->test_file);
+		$this->assertEquals(null,$pre_start,
+				"File '$this->test_file' was there before we started, check clean up"
+		);
+
+		// Write
+		$file = $this->test_file;
+		$contents = $this->getName() . "\nJust a test ;)\n";
+		$this->assertNotFalse(
+				file_put_contents(Vfs::PREFIX . $file, $contents),
+				"Could not write file $file"
+		);
+		$pre = Vfs::stat($this->test_file);
+
+
+		// Create another user who has no access to our file
+		$user_b = $this->makeUser();
+
+		// Allow access
+		$this->allowAccess(
+				$this->getName(false),
+				$file,
+				$user_b,
+				'r'
+		);
+
+		// Log in as them
+		$this->switchUser($this->account['account_lid'], $this->account['account_passwd']);
+
+		// Check the file
+		$post = Vfs::stat($file);
+		$this->assertNotNull($post,
+				"File '$file' was not accessible by another user who had permission"
+		);
+		$this->assertEquals(
+				$contents,
+				file_get_contents(Vfs::PREFIX . $file),
+				"Problem reading someone else's file with permission"
+		);
+		$this->assertTrue(
+				Vfs::is_readable($file),
+				"Vfs says $file is not readable.  It should be."
+		);
+
+	}
+
 	////// Handy functions ///////
 
 	/**