.../EntityResource/EntityTest/EntityTestDatetimeTest.php           | 7 +------
 .../EntityResource/EntityTest/EntityTestDateRangeTest.php          | 4 ++--
 2 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/core/modules/datetime/tests/src/Functional/EntityResource/EntityTest/EntityTestDatetimeTest.php b/core/modules/datetime/tests/src/Functional/EntityResource/EntityTest/EntityTestDatetimeTest.php
index e13b896..366bcd9 100644
--- a/core/modules/datetime/tests/src/Functional/EntityResource/EntityTest/EntityTestDatetimeTest.php
+++ b/core/modules/datetime/tests/src/Functional/EntityResource/EntityTest/EntityTestDatetimeTest.php
@@ -90,12 +90,7 @@ protected function getExpectedNormalizedEntity() {
     return parent::getExpectedNormalizedEntity() + [
       static::$fieldName => [
         [
-          // static::$dateString is in the format specified by the DB storage
-          // format: \Drupal\datetime\Plugin\Field\FieldType\DateTimeItemInterface::DATETIME_STORAGE_FORMAT,
-          // which happens to be RFC3339 minus the timezone information.
-          // But the normalized value is an RFC3339 datetime string, and so we
-          // must still append the timezone information.
-          'value' => static::$dateString . '+11:00',
+          'value' => '2017-03-02T07:02:00+11:00',
         ],
       ],
     ];
diff --git a/core/modules/datetime_range/tests/src/Functional/EntityResource/EntityTest/EntityTestDateRangeTest.php b/core/modules/datetime_range/tests/src/Functional/EntityResource/EntityTest/EntityTestDateRangeTest.php
index f3fbb2a..0d2a08d 100644
--- a/core/modules/datetime_range/tests/src/Functional/EntityResource/EntityTest/EntityTestDateRangeTest.php
+++ b/core/modules/datetime_range/tests/src/Functional/EntityResource/EntityTest/EntityTestDateRangeTest.php
@@ -89,8 +89,8 @@ protected function getExpectedNormalizedEntity() {
     return parent::getExpectedNormalizedEntity() + [
       static::$fieldName => [
         [
-          'value' => '2017-03-01T20:02:00+11:00',
-          'end_value' => '2017-03-01T20:02:00+11:00',
+          'value' => '2017-03-02T07:02:00+11:00',
+          'end_value' => '2017-03-02T07:02:00+11:00',
         ],
       ],
     ];