diff --git a/tests/PromiseTest/RejectTestTrait.php b/tests/PromiseTest/RejectTestTrait.php
index 7d6f65fd..063f178a 100644
--- a/tests/PromiseTest/RejectTestTrait.php
+++ b/tests/PromiseTest/RejectTestTrait.php
@@ -98,6 +98,11 @@ public function rejectShouldMakePromiseImmutable()
             ->with($this->identicalTo(1));
 
         $adapter->promise()
+            ->then(null, function ($value) use ($adapter) {
+                $adapter->reject(3);
+
+                return Promise\reject($value);
+            })
             ->then(
                 $this->expectCallableNever(),
                 $mock
diff --git a/tests/PromiseTest/ResolveTestTrait.php b/tests/PromiseTest/ResolveTestTrait.php
index b05f7fe8..46f95ad4 100644
--- a/tests/PromiseTest/ResolveTestTrait.php
+++ b/tests/PromiseTest/ResolveTestTrait.php
@@ -98,6 +98,11 @@ public function resolveShouldMakePromiseImmutable()
             ->with($this->identicalTo(1));
 
         $adapter->promise()
+            ->then(function ($value) use ($adapter) {
+                $adapter->resolve(3);
+
+                return $value;
+            })
             ->then(
                 $mock,
                 $this->expectCallableNever()