only in patch2:
unchanged:
--- a/core/tests/Drupal/Tests/Component/Utility/SafeMarkupTest.php
+++ b/core/tests/Drupal/Tests/Component/Utility/SafeMarkupTest.php
@@ -45,8 +45,8 @@ public function testSet($text, $message) {
    * @see testSet()
    */
   public function providerSet() {
-    // Checks that invalid multi-byte sequences are rejected.
-    $tests[] = array("Foo\xC0barbaz", '', 'SafeMarkup::checkPlain() rejects invalid sequence "Foo\xC0barbaz"', TRUE);
+    // Checks that invalid multi-byte sequences are escaped.
+    $tests[] = array("Foo\xC0barbaz", 'Foo�barbaz', 'SafeMarkup::checkPlain() ecapes invalid sequence "Foo\xC0barbaz"', TRUE);
     $tests[] = array("Fooÿñ", 'SafeMarkup::set() accepts valid sequence "Fooÿñ"');
     $tests[] = array(new TextWrapper("Fooÿñ"), 'SafeMarkup::set() accepts valid sequence "Fooÿñ" in an object implementing __toString()');
     $tests[] = array("<div>", 'SafeMarkup::set() accepts HTML');
@@ -140,9 +140,9 @@ function testCheckPlain($text, $expected, $message, $ignorewarnings = FALSE) {
    * @see testCheckPlain()
    */
   function providerCheckPlain() {
-    // Checks that invalid multi-byte sequences are rejected.
-    $tests[] = array("Foo\xC0barbaz", '', 'SafeMarkup::checkPlain() rejects invalid sequence "Foo\xC0barbaz"', TRUE);
-    $tests[] = array("\xc2\"", '', 'SafeMarkup::checkPlain() rejects invalid sequence "\xc2\""', TRUE);
+    // Checks that invalid multi-byte sequences are escaped.
+    $tests[] = array("Foo\xC0barbaz", 'Foo�barbaz', 'SafeMarkup::checkPlain() escapes invalid sequence "Foo\xC0barbaz"', TRUE);
+    $tests[] = array("\xc2\"", '�&quot;', 'SafeMarkup::checkPlain() escapes invalid sequence "\xc2\""', TRUE);
     $tests[] = array("Fooÿñ", "Fooÿñ", 'SafeMarkup::checkPlain() accepts valid sequence "Fooÿñ"');
 
     // Checks that special characters are escaped.
only in patch2:
unchanged:
--- a/core/tests/Drupal/Tests/Core/Entity/EntityListBuilderTest.php
+++ b/core/tests/Drupal/Tests/Core/Entity/EntityListBuilderTest.php
@@ -183,8 +183,8 @@ public function testBuildRow($input, $expected, $message, $ignorewarnings = FALS
   public function providerTestBuildRow() {
     $tests = array();
     // Checks that invalid multi-byte sequences are rejected.
-    $tests[] = array("Foo\xC0barbaz", '', 'EntityTestListBuilder::buildRow() rejects invalid sequence "Foo\xC0barbaz"', TRUE);
-    $tests[] = array("\xc2\"", '', 'EntityTestListBuilder::buildRow() rejects invalid sequence "\xc2\""', TRUE);
+    $tests[] = array("Foo\xC0barbaz", 'Foo�barbaz', 'EntityTestListBuilder::buildRow() escapes invalid sequence "Foo\xC0barbaz"', TRUE);
+    $tests[] = array("\xc2\"", '�&quot;', 'EntityTestListBuilder::buildRow() rejects invalid sequence "\xc2\""', TRUE);
     $tests[] = array("Fooÿñ", "Fooÿñ", 'EntityTestListBuilder::buildRow() accepts valid sequence "Fooÿñ"');
 
     // Checks that special characters are escaped.