diff --git a/tests/TestCase.php b/src/Test/TestCase.php
similarity index 87%
rename from tests/TestCase.php
rename to src/Test/TestCase.php
index 71395bc..2421a67 100644
--- a/tests/TestCase.php
+++ b/src/Test/TestCase.php
@@ -1,9 +1,8 @@
 <?php
 
-namespace ipl\Tests\Sql;
+namespace ipl\Sql\Test;
 
 use ipl\Sql\Select;
-use ipl\Sql\Test\SqlAssertions;
 
 abstract class TestCase extends \PHPUnit\Framework\TestCase
 {
diff --git a/tests/ConfigTest.php b/tests/ConfigTest.php
index 4f3183e..eea30b5 100644
--- a/tests/ConfigTest.php
+++ b/tests/ConfigTest.php
@@ -3,6 +3,7 @@
 namespace ipl\Tests\Sql;
 
 use ipl\Sql\Config;
+use ipl\Sql\Test\TestCase;
 
 class ConfigTest extends TestCase
 {
diff --git a/tests/DeleteTest.php b/tests/DeleteTest.php
index 02d5d0a..7a11f4d 100644
--- a/tests/DeleteTest.php
+++ b/tests/DeleteTest.php
@@ -4,6 +4,7 @@
 
 use ipl\Sql\Delete;
 use ipl\Sql\QueryBuilder;
+use ipl\Sql\Test\TestCase;
 
 class DeleteTest extends TestCase
 {
diff --git a/tests/FilterProcessorTest.php b/tests/FilterProcessorTest.php
index 77871a3..40d2acf 100644
--- a/tests/FilterProcessorTest.php
+++ b/tests/FilterProcessorTest.php
@@ -8,6 +8,7 @@
 use ipl\Sql\Filter\NotExists;
 use ipl\Sql\Filter\NotIn;
 use ipl\Sql\Select;
+use ipl\Sql\Test\TestCase;
 use ipl\Stdlib\Filter;
 
 class FilterProcessorTest extends TestCase
diff --git a/tests/HavingTest.php b/tests/HavingTest.php
index 128067c..224bfc7 100644
--- a/tests/HavingTest.php
+++ b/tests/HavingTest.php
@@ -4,6 +4,7 @@
 
 use ipl\Sql\Expression;
 use ipl\Sql\Select;
+use ipl\Sql\Test\TestCase;
 
 class HavingTest extends TestCase
 {
diff --git a/tests/InsertTest.php b/tests/InsertTest.php
index 119ae63..2ac058c 100644
--- a/tests/InsertTest.php
+++ b/tests/InsertTest.php
@@ -5,6 +5,7 @@
 use ipl\Sql\Expression;
 use ipl\Sql\Insert;
 use ipl\Sql\Select;
+use ipl\Sql\Test\TestCase;
 
 class InsertTest extends TestCase
 {
diff --git a/tests/Mssql/SelectTest.php b/tests/Mssql/SelectTest.php
index 18fc9ee..2555db3 100644
--- a/tests/Mssql/SelectTest.php
+++ b/tests/Mssql/SelectTest.php
@@ -3,7 +3,7 @@
 namespace ipl\Tests\Sql\Mssql;
 
 use ipl\Sql\Adapter\Mssql;
-use ipl\Tests\Sql\TestCase;
+use ipl\Sql\Test\TestCase;
 
 class SelectTest extends TestCase
 {
diff --git a/tests/SelectTest.php b/tests/SelectTest.php
index ca90d9a..28516be 100644
--- a/tests/SelectTest.php
+++ b/tests/SelectTest.php
@@ -5,6 +5,7 @@
 use ipl\Sql\Expression;
 use ipl\Sql\Select;
 use ipl\Sql\Sql;
+use ipl\Sql\Test\TestCase;
 use UnexpectedValueException;
 
 class SelectTest extends TestCase
diff --git a/tests/SharedDatabasesTest.php b/tests/SharedDatabasesTest.php
index 641db3a..809b1b9 100644
--- a/tests/SharedDatabasesTest.php
+++ b/tests/SharedDatabasesTest.php
@@ -5,6 +5,7 @@
 use ipl\Sql\Connection;
 use ipl\Sql\Select;
 use ipl\Sql\Test\SharedDatabases;
+use ipl\Sql\Test\TestCase;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\Attributes\Depends;
 
diff --git a/tests/UpdateTest.php b/tests/UpdateTest.php
index b0d93b0..e1e8eb8 100644
--- a/tests/UpdateTest.php
+++ b/tests/UpdateTest.php
@@ -4,6 +4,7 @@
 
 use ipl\Sql\Expression;
 use ipl\Sql\Select;
+use ipl\Sql\Test\TestCase;
 use ipl\Sql\Update;
 
 class UpdateTest extends TestCase
diff --git a/tests/WhereTest.php b/tests/WhereTest.php
index 577ce7a..0ac9aac 100644
--- a/tests/WhereTest.php
+++ b/tests/WhereTest.php
@@ -5,6 +5,7 @@
 use ipl\Sql\Expression;
 use ipl\Sql\Select;
 use ipl\Sql\Sql;
+use ipl\Sql\Test\TestCase;
 
 class WhereTest extends TestCase
 {