Added tests and actions to conform with baseline/platform changes

.github/workflows/php.yml

@@ -7,7 +7,7 @@ on:
     branches: [ master ]
 
 jobs:
-  build_php_73:
+  build_php_74:
 
     runs-on: ubuntu-latest
 
@@ -17,7 +17,7 @@ jobs:
     - name: Setup PHP with PECL extension
       uses: shivammathur/setup-php@v2
       with:
-        php-version: '7.3'
+        php-version: '7.4'
 
     - name: Validate composer.json and composer.lock
       run: composer validate --strict
@@ -66,3 +66,33 @@ jobs:
 
     - name: Run test suite
       run: composer run-script test
+
+  build_php_81:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Setup PHP with PECL extension
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: '8.1'
+
+    - name: Validate composer.json and composer.lock
+      run: composer validate --strict
+
+    - name: Cache Composer packages
+      id: composer-cache
+      uses: actions/cache@v2
+      with:
+        path: vendor
+        key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
+        restore-keys: |
+          ${{ runner.os }}-php-
+
+    - name: Install dependencies
+      run: composer install --prefer-dist --no-progress
+
+    - name: Run test suite
+      run: composer run-script test

tests/LaravelBitpayInvoiceTest.php

@@ -21,10 +21,4 @@ public function isInstanceOfBuyer()
     {
         $this->assertEquals(true, LaravelBitpay::Buyer() instanceof Buyer);
     }
-
-    /** @test */
-    public function isInstanceOfRefund()
-    {
-        $this->assertEquals(true, LaravelBitpay::Refund() instanceof Refund);
-    }
 }

tests/LaravelBitpayRefundTest.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace Vrajroham\LaravelBitpay\Tests;
+
+use BitPaySDK\Model\Invoice\Refund;
+use PHPUnit\Framework\TestCase;
+use Vrajroham\LaravelBitpay\LaravelBitpay;
+
+
+class LaravelBitpayRefundTest extends TestCase
+{
+    /** @test */
+    public function isInstanceOfRefund()
+    {
+        $this->assertEquals(true, LaravelBitpay::Refund() instanceof Refund);
+    }
+}