diff --git a/tests/dibi/Connection.connect.phpt b/tests/dibi/Connection.connect.phpt
index 85cf56b5..e48fdec0 100644
--- a/tests/dibi/Connection.connect.phpt
+++ b/tests/dibi/Connection.connect.phpt
@@ -12,7 +12,7 @@ use Tester\Assert;
 require __DIR__ . '/bootstrap.php';
 
 
-test('', function () use ($config) {
+test('immediate connection and disconnection state', function () use ($config) {
 	$conn = new Connection($config);
 	Assert::true($conn->isConnected());
 
@@ -21,7 +21,7 @@ test('', function () use ($config) {
 });
 
 
-test('lazy', function () use ($config) {
+test('lazy connection initiated on first query', function () use ($config) {
 	$conn = new Connection($config + ['lazy' => true]);
 	Assert::false($conn->isConnected());
 
@@ -30,7 +30,7 @@ test('lazy', function () use ($config) {
 });
 
 
-test('', function () use ($config) {
+test('config retrieval and driver instance access', function () use ($config) {
 	$conn = new Connection($config);
 	Assert::true($conn->isConnected());
 
@@ -40,7 +40,7 @@ test('', function () use ($config) {
 });
 
 
-test('', function () use ($config) {
+test('idempotent disconnect calls', function () use ($config) {
 	$conn = new Connection($config);
 	Assert::true($conn->isConnected());
 
@@ -52,7 +52,7 @@ test('', function () use ($config) {
 });
 
 
-test('', function () use ($config) {
+test('reconnect after disconnection', function () use ($config) {
 	$conn = new Connection($config);
 	Assert::equal('hello', $conn->query('SELECT %s', 'hello')->fetchSingle());
 
@@ -63,7 +63,7 @@ test('', function () use ($config) {
 });
 
 
-test('', function () use ($config) {
+test('destructor disconnects active connection', function () use ($config) {
 	$conn = new Connection($config);
 	Assert::true($conn->isConnected());
 
@@ -72,7 +72,7 @@ test('', function () use ($config) {
 });
 
 
-test('', function () use ($config) {
+test('invalid onConnect option triggers exceptions', function () use ($config) {
 	Assert::exception(
 		fn() => new Connection($config + ['onConnect' => '']),
 		InvalidArgumentException::class,
diff --git a/tests/dibi/Result.normalize.phpt b/tests/dibi/Result.normalize.phpt
index 6ecea60a..6fa385f6 100644
--- a/tests/dibi/Result.normalize.phpt
+++ b/tests/dibi/Result.normalize.phpt
@@ -25,7 +25,7 @@ class MockResult extends Dibi\Result
 }
 
 
-test('', function () {
+test('native text conversion preserves boolean values', function () {
 	$result = new MockResult;
 	$result->setType('col', Type::Text);
 	$result->setFormat(Type::Text, 'native');
@@ -36,7 +36,7 @@ test('', function () {
 });
 
 
-test('', function () {
+test('boolean conversion from diverse representations', function () {
 	$result = new MockResult;
 	$result->setType('col', Type::Bool);
 
@@ -58,7 +58,7 @@ test('', function () {
 });
 
 
-test('', function () {
+test('text conversion of booleans and numerics', function () {
 	$result = new MockResult;
 	$result->setType('col', Type::Text);
 
@@ -74,7 +74,7 @@ test('', function () {
 });
 
 
-test('', function () {
+test('float conversion with various numeric formats', function () {
 	$result = new MockResult;
 	$result->setType('col', Type::Float);
 
@@ -214,7 +214,7 @@ test('', function () {
 });
 
 
-test('', function () {
+test('strict integer conversion with error on empty string', function () {
 	$result = new MockResult;
 	$result->setType('col', Type::Integer);
 
@@ -244,7 +244,7 @@ test('', function () {
 });
 
 
-test('', function () {
+test('dateTime conversion with object instantiation', function () {
 	$result = new MockResult;
 	$result->setType('col', Type::DateTime);
 
@@ -263,7 +263,7 @@ test('', function () {
 });
 
 
-test('', function () {
+test('dateTime conversion using custom format', function () {
 	$result = new MockResult;
 	$result->setType('col', Type::DateTime);
 	$result->setFormat(Type::DateTime, 'Y-m-d H:i:s');
@@ -283,7 +283,7 @@ test('', function () {
 });
 
 
-test('', function () {
+test('date conversion to DateTime instance', function () {
 	$result = new MockResult;
 	$result->setType('col', Type::Date);
 
@@ -300,7 +300,7 @@ test('', function () {
 });
 
 
-test('', function () {
+test('time conversion to DateTime instance', function () {
 	$result = new MockResult;
 	$result->setType('col', Type::Time);