diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
deleted file mode 100644
index 685ecef..0000000
--- a/.github/workflows/ci.yaml
+++ /dev/null
@@ -1,53 +0,0 @@
-name: Continuous Integration
-
-on:
-    push: ~
-    pull_request: ~
-    release:
-        types: [created]
-    workflow_dispatch: ~
-
-jobs:
-    tests:
-        runs-on: ubuntu-latest
-
-        name: "Sylius ${{ matrix.sylius }}, PHP ${{ matrix.php }}, Symfony ${{ matrix.symfony }}, MySQL ${{ matrix.mysql }}"
-
-        strategy:
-            fail-fast: false
-            matrix:
-                php: ["8.2", "8.3"]
-                symfony: ["^6.4", "^7.1"]
-                sylius: ["^2.0-dev"]
-                node: ["20.x"]
-                mysql: ["8.0"]
-
-        env:
-            APP_ENV: test
-            DATABASE_URL: "mysql://root:root@127.0.0.1/sylius?serverVersion=${{ matrix.mysql }}"
-
-        steps:
-            -
-                uses: actions/checkout@v4
-
-            -   name: Build application
-                uses: SyliusLabs/BuildTestAppAction@v2.2.1
-                with:
-                    build_type: "plugin"
-                    cache_key: "${{ github.run_id }}-${{ runner.os }}-${{ hashFiles('composer.json') }}-sylius-${{ matrix.sylius }}-symfony-${{ matrix.symfony }}"
-                    cache_restore_key: "${{ github.run_id }}-${{ runner.os }}-${{ hashFiles('composer.json') }}-sylius-${{ matrix.sylius }}-symfony-${{ matrix.symfony }}"
-                    e2e: "yes"
-                    e2e_js: "yes"
-                    database_version: ${{ matrix.mysql }}
-                    php_version: ${{ matrix.php }}
-                    symfony_version: ${{ matrix.symfony }}
-
-            -
-                name: Upload logs
-                uses: actions/upload-artifact@v4
-                if: failure()
-                with:
-                    name: Logs
-                    path: |
-                        var/log/
-                    if-no-files-found: ignore
diff --git a/composer.json b/composer.json
index 18fbf72..e225e97 100644
--- a/composer.json
+++ b/composer.json
@@ -44,7 +44,8 @@
         "symfony/web-profiler-bundle": "^6.4|^7.1",
         "spaze/phpstan-stripe": "^3.2",
         "nyholm/psr7": "^1.8",
-        "mockery/mockery": "^1.6"
+        "mockery/mockery": "^1.6",
+        "phpstan/phpstan-mockery": "^1.1"
     },
     "suggest": {
         "sylius/shop-bundle": "Use the Sylius default front shop",
diff --git a/src/Manager/Checkout/ExpireManager.php b/src/Manager/Checkout/ExpireManager.php
index a7e0b64..6e70d8f 100644
--- a/src/Manager/Checkout/ExpireManager.php
+++ b/src/Manager/Checkout/ExpireManager.php
@@ -20,10 +20,11 @@ final class ExpireManager implements ExpireManagerInterface
     use StripeClientAwareManagerTrait;
 
     public function __construct(
-        private ClientFactoryInterface $stripeClientFactory,
+        ClientFactoryInterface $stripeClientFactory,
         private ?ParamsProviderInterface $paramsProvider = null,
         private ?OptsProviderInterface $optsProvider = null,
     ) {
+        $this->stripeClientFactory = $stripeClientFactory;
     }
 
     public function expire(PaymentRequestInterface $paymentRequest, string $id): Session
diff --git a/src/Manager/WebElements/CancelManager.php b/src/Manager/WebElements/CancelManager.php
index 365564b..f19f6a0 100644
--- a/src/Manager/WebElements/CancelManager.php
+++ b/src/Manager/WebElements/CancelManager.php
@@ -20,10 +20,11 @@ final class CancelManager implements CancelManagerInterface
     use StripeClientAwareManagerTrait;
 
     public function __construct(
-        private ClientFactoryInterface $stripeClientFactory,
+        ClientFactoryInterface $stripeClientFactory,
         private ?ParamsProviderInterface $paramsProvider = null,
         private ?OptsProviderInterface $optsProvider = null,
     ) {
+        $this->stripeClientFactory = $stripeClientFactory;
     }
 
     public function cancel(PaymentRequestInterface $paymentRequest, string $id): PaymentIntent
diff --git a/src/Manager/WebElements/CaptureManager.php b/src/Manager/WebElements/CaptureManager.php
index 6682f42..4d639c3 100644
--- a/src/Manager/WebElements/CaptureManager.php
+++ b/src/Manager/WebElements/CaptureManager.php
@@ -20,10 +20,11 @@ final class CaptureManager implements CaptureManagerInterface
     use StripeClientAwareManagerTrait;
 
     public function __construct(
-        private ClientFactoryInterface $stripeClientFactory,
+        ClientFactoryInterface $stripeClientFactory,
         private ?ParamsProviderInterface $paramsProvider = null,
         private ?OptsProviderInterface $optsProvider = null,
     ) {
+        $this->stripeClientFactory = $stripeClientFactory;
     }
 
     public function capture(PaymentRequestInterface $paymentRequest, string $id): PaymentIntent