diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d74119c..7c932fb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,8 +27,6 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Test
-        run: |
-          bash tests/before_script.sh
-          bash tests/script.sh
+        run: bash tests/ci.sh
         env:
           CI_PHP_VERSION: ${{ matrix.php }}
diff --git a/examples/multi_curl_get_load_test.php b/examples/multi_curl_get_load_test.php
index 6b93431..d124477 100644
--- a/examples/multi_curl_get_load_test.php
+++ b/examples/multi_curl_get_load_test.php
@@ -3,12 +3,12 @@ require __DIR__ . '/../vendor/autoload.php';
 
 use Curl\MultiCurl;
 
-$server_count = 5;
+$server_count = 7;
 $urls = [];
 $port = 8000;
 for ($i = 0; $i < $server_count; $i++) {
-    $port += 1;
     $urls[] = 'http://localhost:' . $port . '/';
+    $port += 1;
 }
 
 $multi_curl = new MultiCurl();
diff --git a/tests/before_script.sh b/tests/before_script.sh
deleted file mode 100755
index 69747a4..0000000
--- a/tests/before_script.sh
+++ /dev/null
@@ -1,34 +0,0 @@
-start_php_servers() {
-    for i in $(seq 0 6); do
-        port=8000
-        (( port += $i ))
-        php -S "127.0.0.1:${port}" -t tests/PHPCurlClass/ &
-    done
-}
-
-set -x
-echo "CI_PHP_VERSION: ${CI_PHP_VERSION}"
-php -r "var_dump(phpversion());"
-php -r "var_dump(curl_version());"
-
-composer self-update
-composer install --prefer-source --no-interaction
-
-# Let test server know we should allow testing.
-export PHP_CURL_CLASS_TEST_MODE_ENABLED="yes"
-
-if [[ "${CI_PHP_VERSION}" == "7.0" ]]; then
-    start_php_servers
-elif [[ "${CI_PHP_VERSION}" == "7.1" ]]; then
-    start_php_servers
-elif [[ "${CI_PHP_VERSION}" == "7.2" ]]; then
-    start_php_servers
-elif [[ "${CI_PHP_VERSION}" == "7.3" ]]; then
-    start_php_servers
-elif [[ "${CI_PHP_VERSION}" == "7.4" ]]; then
-    start_php_servers
-elif [[ "${CI_PHP_VERSION}" == "8.0" ]]; then
-    start_php_servers
-elif [[ "${CI_PHP_VERSION}" == "nightly" ]]; then
-    start_php_servers
-fi
diff --git a/tests/script.sh b/tests/ci.sh
similarity index 81%
rename from tests/script.sh
rename to tests/ci.sh
index ac8f0e8..113beda 100755
--- a/tests/script.sh
+++ b/tests/ci.sh
@@ -1,3 +1,25 @@
+set -x
+
+echo "CI_PHP_VERSION: ${CI_PHP_VERSION}"
+php -r "var_dump(phpversion());"
+php -r "var_dump(curl_version());"
+
+composer self-update
+composer install --prefer-source --no-interaction
+
+# Let test server know we should allow testing.
+export PHP_CURL_CLASS_TEST_MODE_ENABLED="yes"
+
+# Start test servers. Run servers on different ports to allow simultaneous
+# requests without blocking.
+server_count=7
+for i in $(seq 0 $(("${server_count}" - 1))); do
+    port=8000
+    (( port += $i ))
+
+    php -S "127.0.0.1:${port}" -t tests/PHPCurlClass/ &
+done
+
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 cd "${SCRIPT_DIR}"
 
@@ -34,9 +56,6 @@ errors=()
 
 source "check_syntax.sh"
 
-# Let test server know we should allow testing.
-export PHP_CURL_CLASS_TEST_MODE_ENABLED="yes"
-
 # Determine which phpunit to use.
 if [[ -f "../vendor/bin/phpunit" ]]; then
     phpunit_to_use="../vendor/bin/phpunit"
diff --git a/www/index.php b/www/index.php
index 240c6c9..8459557 100644
--- a/www/index.php
+++ b/www/index.php
@@ -180,22 +180,22 @@ p:last-child {
     <a href="https://github.com/php-curl-class/php-curl-class/releases/">
         <img
             alt=""
-            src="https://img.shields.io/github/release/php-curl-class/php-curl-class.svg?style=flat-square">
+            src="https://img.shields.io/github/release/php-curl-class/php-curl-class.svg?style=flat-square" />
     </a>
     <a href="https://github.com/php-curl-class/php-curl-class/blob/master/LICENSE">
         <img
             alt=""
-            src="https://img.shields.io/github/license/php-curl-class/php-curl-class.svg?style=flat-square">
+            src="https://img.shields.io/github/license/php-curl-class/php-curl-class.svg?style=flat-square" />
     </a>
     <a href="https://github.com/php-curl-class/php-curl-class/actions/workflows/ci.yml">
         <img
             alt=""
-            src="https://img.shields.io/github/workflow/status/php-curl-class/php-curl-class/ci?style=flat-square">
+            src="https://img.shields.io/github/workflow/status/php-curl-class/php-curl-class/ci?style=flat-square" />
     </a>
     <a href="https://github.com/php-curl-class/php-curl-class/releases/">
         <img
             alt=""
-            src="https://img.shields.io/packagist/dt/php-curl-class/php-curl-class.svg?style=flat-square">
+            src="https://img.shields.io/packagist/dt/php-curl-class/php-curl-class.svg?style=flat-square" />
     </a>
 </p>