diff --git a/tests/Base/Reader/ReaderWithFilter/BaseReaderWithLikeTestCase.php b/tests/Base/Reader/ReaderWithFilter/BaseReaderWithLikeTestCase.php
index 1ce653f..b7ef093 100644
--- a/tests/Base/Reader/ReaderWithFilter/BaseReaderWithLikeTestCase.php
+++ b/tests/Base/Reader/ReaderWithFilter/BaseReaderWithLikeTestCase.php
@@ -9,12 +9,4 @@
 abstract class BaseReaderWithLikeTestCase extends \Yiisoft\Data\Tests\Common\Reader\ReaderWithFilter\BaseReaderWithLikeTestCase
 {
     use DataTrait;
-
-    public static function dataWithReader(): array
-    {
-        $data = parent::dataWithReader();
-        $data['search: contains, different case, case sensitive: null'] = ['email', 'SEED@', null, [2]];
-
-        return $data;
-    }
 }
diff --git a/tests/Mssql/ReaderWithHandler/ReaderWithLikeTest.php b/tests/Mssql/ReaderWithHandler/ReaderWithLikeTest.php
index 0e494b5..4d0ab96 100644
--- a/tests/Mssql/ReaderWithHandler/ReaderWithLikeTest.php
+++ b/tests/Mssql/ReaderWithHandler/ReaderWithLikeTest.php
@@ -10,4 +10,17 @@
 final class ReaderWithLikeTest extends BaseReaderWithLikeTestCase
 {
     use DatabaseTrait;
+
+    public static function dataWithReader(): array
+    {
+        $data = parent::dataWithReader();
+
+        // MSSQL doesn't support case-sensitive "LIKE" conditions
+        unset(
+            $data['search: contains, same case, case sensitive: true'],
+            $data['search: contains, different case, case sensitive: true'],
+        );
+
+        return $data;
+    }
 }
diff --git a/tests/Mysql/ReaderWithFilter/ReaderWithLikeTest.php b/tests/Mysql/ReaderWithFilter/ReaderWithLikeTest.php
index e901e3f..49e719a 100644
--- a/tests/Mysql/ReaderWithFilter/ReaderWithLikeTest.php
+++ b/tests/Mysql/ReaderWithFilter/ReaderWithLikeTest.php
@@ -10,14 +10,4 @@
 final class ReaderWithLikeTest extends BaseReaderWithLikeTestCase
 {
     use DatabaseTrait;
-
-    public static function dataWithReader(): array
-    {
-        $data = parent::dataWithReader();
-        $data['search: contains, same case, case sensitive: true'] = ['email', 'ed@be', true, [2]];
-        // TODO: Add after changes in yiisoft/db
-        // $data['search: contains, different case, case sensitive: true'] = ['email', 'SEED@', true, []];
-
-        return $data;
-    }
 }
diff --git a/tests/Oracle/ReaderWithHandler/ReaderWithLikeTest.php b/tests/Oracle/ReaderWithHandler/ReaderWithLikeTest.php
index 6b1bb44..e6254ed 100644
--- a/tests/Oracle/ReaderWithHandler/ReaderWithLikeTest.php
+++ b/tests/Oracle/ReaderWithHandler/ReaderWithLikeTest.php
@@ -10,18 +10,4 @@
 final class ReaderWithLikeTest extends BaseReaderWithLikeTestCase
 {
     use DatabaseTrait;
-
-    public static function dataWithReader(): array
-    {
-        $data = parent::dataWithReader();
-        $data['search: contains, same case, case sensitive: true'] = ['email', 'ed@be', true, [2]];
-        $data['search: contains, different case, case sensitive: true'] = ['email', 'SEED@', true, []];
-        // TODO: Remove after changes in yiisoft/db
-        unset(
-            $data['search: contains, different case, case sensitive: null'],
-            $data['search: contains, different case, case sensitive: false'],
-        );
-
-        return $data;
-    }
 }
diff --git a/tests/Pgsql/ReaderWithFilter/ReaderWithLikeTest.php b/tests/Pgsql/ReaderWithFilter/ReaderWithLikeTest.php
index 3ed3024..9f249dd 100644
--- a/tests/Pgsql/ReaderWithFilter/ReaderWithLikeTest.php
+++ b/tests/Pgsql/ReaderWithFilter/ReaderWithLikeTest.php
@@ -10,18 +10,4 @@
 final class ReaderWithLikeTest extends BaseReaderWithLikeTestCase
 {
     use DatabaseTrait;
-
-    public static function dataWithReader(): array
-    {
-        $data = parent::dataWithReader();
-        $data['search: contains, same case, case sensitive: true'] = ['email', 'ed@be', true, [2]];
-        $data['search: contains, different case, case sensitive: true'] = ['email', 'SEED@', true, []];
-        // TODO: Remove after changes in yiisoft/db
-        unset(
-            $data['search: contains, different case, case sensitive: null'],
-            $data['search: contains, different case, case sensitive: false'],
-        );
-
-        return $data;
-    }
 }
diff --git a/tests/Sqlite/ReaderWithFilter/ReaderWithLikeTest.php b/tests/Sqlite/ReaderWithFilter/ReaderWithLikeTest.php
index 22bfbc5..f86a145 100644
--- a/tests/Sqlite/ReaderWithFilter/ReaderWithLikeTest.php
+++ b/tests/Sqlite/ReaderWithFilter/ReaderWithLikeTest.php
@@ -10,4 +10,17 @@
 final class ReaderWithLikeTest extends BaseReaderWithLikeTestCase
 {
     use DatabaseTrait;
+
+    public static function dataWithReader(): array
+    {
+        $data = parent::dataWithReader();
+
+        // SQLite doesn't support case-sensitive "LIKE" conditions
+        unset(
+            $data['search: contains, same case, case sensitive: true'],
+            $data['search: contains, different case, case sensitive: true'],
+        );
+
+        return $data;
+    }
 }