diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e6bb8c9e..0a6fa02c 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -7,7 +7,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-versions: ['7.0', '7.1', '7.2', '7.3', '7.4']
+        php-versions: ['7.1', '7.2', '7.3', '7.4']
     steps:
     - name: Checkout
       uses: actions/checkout@v2
@@ -32,7 +32,7 @@ jobs:
     - name: Install Composer dependencies
       env:
         PHP_VERSION: ${{ matrix.php-versions }}
-      run: $(if [ "$PHP_VERSION" == "7.0" ]; then echo "composer install"; else echo "composer install --no-progress --prefer-dist --optimize-autoloader"; fi;)
+      run: composer install --no-progress --prefer-dist --optimize-autoloader
     - name: Run tests with code coverage
       env:
         PHP_VERSION: ${{ matrix.php-versions }}
diff --git a/tests/Feature/AdapterBillingPlansPricingHelpersTest.php b/tests/Feature/AdapterBillingPlansPricingHelpersTest.php
index 61b9a3e4..bfd2967f 100644
--- a/tests/Feature/AdapterBillingPlansPricingHelpersTest.php
+++ b/tests/Feature/AdapterBillingPlansPricingHelpersTest.php
@@ -18,7 +18,7 @@ class AdapterBillingPlansPricingHelpersTest extends TestCase
     /** @var \Srmklive\PayPal\Services\PayPal */
     protected $client;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->client = new PayPalClient($this->getApiCredentials());
 
diff --git a/tests/Feature/AdapterConfigTest.php b/tests/Feature/AdapterConfigTest.php
index 4f599fee..3e603175 100644
--- a/tests/Feature/AdapterConfigTest.php
+++ b/tests/Feature/AdapterConfigTest.php
@@ -13,7 +13,7 @@ class AdapterConfigTest extends TestCase
     /** @var \Srmklive\PayPal\Services\PayPal */
     protected $client;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->client = new PayPalClient($this->getApiCredentials());
 
diff --git a/tests/Feature/AdapterCreateSubscriptionHelpersTest.php b/tests/Feature/AdapterCreateSubscriptionHelpersTest.php
index 04de1ec8..e327842a 100644
--- a/tests/Feature/AdapterCreateSubscriptionHelpersTest.php
+++ b/tests/Feature/AdapterCreateSubscriptionHelpersTest.php
@@ -19,7 +19,7 @@ class AdapterCreateSubscriptionHelpersTest extends TestCase
     /** @var \Srmklive\PayPal\Services\PayPal */
     protected $client;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->client = new PayPalClient($this->getApiCredentials());
 
diff --git a/tests/Feature/AdapterExperienceContextTest.php b/tests/Feature/AdapterExperienceContextTest.php
index 12fc654c..7018e2f3 100644
--- a/tests/Feature/AdapterExperienceContextTest.php
+++ b/tests/Feature/AdapterExperienceContextTest.php
@@ -23,7 +23,7 @@ class AdapterExperienceContextTest extends TestCase
     /** @var \Srmklive\PayPal\Services\PayPal */
     protected $client;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->client = new PayPalClient($this->getApiCredentials());
 
diff --git a/tests/Feature/AdapterFeatureTest.php b/tests/Feature/AdapterFeatureTest.php
index 7f330164..deeff4e4 100644
--- a/tests/Feature/AdapterFeatureTest.php
+++ b/tests/Feature/AdapterFeatureTest.php
@@ -24,7 +24,7 @@ class AdapterFeatureTest extends TestCase
     /** @var \Srmklive\PayPal\Services\PayPal */
     protected $client;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->client = new PayPalClient($this->getApiCredentials());
 
diff --git a/tests/Feature/AdapterOrdersHelperTest.php b/tests/Feature/AdapterOrdersHelperTest.php
index bc7feade..e25ee6f4 100644
--- a/tests/Feature/AdapterOrdersHelperTest.php
+++ b/tests/Feature/AdapterOrdersHelperTest.php
@@ -21,7 +21,7 @@ class AdapterOrdersHelperTest extends TestCase
     /** @var \Srmklive\PayPal\Services\PayPal */
     protected $client;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->client = new PayPalClient($this->getApiCredentials());
 
diff --git a/tests/Feature/AdapterPaymentMethodTokensHelpersTest.php b/tests/Feature/AdapterPaymentMethodTokensHelpersTest.php
index 7894362a..79fdfbb4 100644
--- a/tests/Feature/AdapterPaymentMethodTokensHelpersTest.php
+++ b/tests/Feature/AdapterPaymentMethodTokensHelpersTest.php
@@ -20,7 +20,7 @@ class AdapterPaymentMethodTokensHelpersTest extends TestCase
     /** @var \Srmklive\PayPal\Services\PayPal */
     protected $client;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->client = new PayPalClient($this->getApiCredentials());