diff --git a/.github/actions/validate/Dockerfile b/.github/actions/validate/Dockerfile
deleted file mode 100644
index 4e6cdc7..0000000
--- a/.github/actions/validate/Dockerfile
+++ /dev/null
@@ -1,11 +0,0 @@
-# Container image that runs your code
-FROM composer:latest
-
-# Copies your code file from your action repository to the filesystem path `/` of the container
-COPY entrypoint.sh /entrypoint.sh
-
-#Make entrypoint.sh exacutable
-RUN chmod +x /entrypoint.sh
-
-# Code file to execute when the docker container starts up (`entrypoint.sh`)
-ENTRYPOINT ["/entrypoint.sh"]
diff --git a/.github/actions/validate/action.yml b/.github/actions/validate/action.yml
deleted file mode 100644
index 95452b0..0000000
--- a/.github/actions/validate/action.yml
+++ /dev/null
@@ -1,6 +0,0 @@
-# action.yml
-name: 'Validate'
-description: 'Validates the package'
-runs:
-  using: 'docker'
-  image: 'Dockerfile'
diff --git a/.github/actions/validate/entrypoint.sh b/.github/actions/validate/entrypoint.sh
deleted file mode 100644
index 714d1c5..0000000
--- a/.github/actions/validate/entrypoint.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/sh
-
-composer require
-./vendor/bin/phpunit tests
diff --git a/.github/workflows/validate.yml b/.github/workflows/test.yml
similarity index 65%
rename from .github/workflows/validate.yml
rename to .github/workflows/test.yml
index aa5de1e..9eaa5fe 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/test.yml
@@ -1,19 +1,32 @@
-name: Validate SDK
+name: Test
 
 on:
   schedule:
     - cron: "0 4 * * *"
   pull_request:
+  workflow_dispatch:
 
 jobs:
-  deploy:
-    name: Validate SDK
-    runs-on: ubuntu-latest
+  test:
+    name: Test
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [windows-2016, windows-2019, ubuntu-18.04, ubuntu-20.04]
+        php-version: [7.4, 8.0]
     steps:
     - name: Checkout
       uses: actions/checkout@v2
-    - name: Validate
-      uses: ./.github/actions/validate
+
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v2
+      with:
+          php-version: ${{ matrix.php-version }}
+
+    - name: Install Packages
+      run: composer install
+
+    - name: Test
       env:
         BW_ACCOUNT_ID: ${{ secrets.BW_ACCOUNT_ID }}
         BW_USERNAME: ${{ secrets.BW_USERNAME }}
@@ -23,6 +36,8 @@ jobs:
         BW_NUMBER: ${{ secrets.BW_NUMBER }}
         USER_NUMBER: ${{ secrets.USER_NUMBER }}
         BASE_CALLBACK_URL: ${{ secrets.BASE_CALLBACK_URL }}
+      run: ./vendor/bin/phpunit tests
+
     - uses: Bandwidth/build-notify-slack-action@v1.0.0
       if: failure() && !github.event.pull_request.draft
       with:
diff --git a/README.md b/README.md
index eb06f2a..92c1f69 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,14 @@
 # Bandwidth PHP SDK
 
+[![Test](https://github.com/Bandwidth/php-sdk/actions/workflows/test.yaml/badge.svg)](https://github.com/Bandwidth/php-sdk/actions/workflows/test.yaml)
+
+| **OS** | **PHP** |
+|:---:|:---:|
+| Windows 2016 | 7.4, 8.0 |
+| Windows 2019 | 7.4, 8.0 |
+| Ubuntu 18.04 | 7.4, 8.0 |
+| Ubuntu 20.04 | 7.4, 8.0 |
+
 ## Getting Started
 
 ### Installation
diff --git a/phpunit.xml b/phpunit.xml
index 560f77c..5bdcd15 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -8,7 +8,6 @@
          processIsolation="false"
          stopOnError="false"
          stopOnFailure="false"
-         syntaxCheck="true"
          verbose="true"
 >
     <testsuites>
diff --git a/tests/ApiTest.php b/tests/ApiTest.php
index 95d6dbb..9554a96 100644
--- a/tests/ApiTest.php
+++ b/tests/ApiTest.php
@@ -162,8 +162,7 @@ public function testMfaVoice() {
 
     public function testMfaVerify() {
         $body = new BandwidthLib\MultiFactorAuth\Models\TwoFactorVerifyRequestSchema();
-        $body->from = getenv("BW_NUMBER");
-        $body->to = getenv("USER_NUMBER");
+        $body->to = "+".rand(10000000000, 19999999999);
         $body->applicationId = getenv("BW_VOICE_APPLICATION_ID");
         $body->scope = "scope";
         $body->code = "123456";