diff --git a/services/nginx/app/tests/Support/run_ci_suite.php b/services/nginx/app/tests/Support/run_ci_suite.php
index 3b9b31c9..31dc3471 100644
--- a/services/nginx/app/tests/Support/run_ci_suite.php
+++ b/services/nginx/app/tests/Support/run_ci_suite.php
@@ -47,13 +47,31 @@ $commands = [
         'RUN_INTEGRATION_TESTS=1 vendor/bin/pest --testsuite=Integration --colors=always',
     ],
     'api' => [
-        'RUN_API_TESTS=1 API_TEST_BOOTSTRAP_SCHEMA=1 API_TEST_ALLOW_LIVE_DB=1 API_TEST_REQUEST_TIMEOUT=180 vendor/bin/pest --testsuite=Api --colors=always',
+        'RUN_API_TESTS=1 API_TEST_FAIL_ON_SKIP=1 API_TEST_BOOTSTRAP_SCHEMA=1 API_TEST_ALLOW_LIVE_DB=1 API_TEST_REQUEST_TIMEOUT=180 vendor/bin/pest --testsuite=Api --colors=always',
     ],
     'legacy' => [
-        'RUN_LEGACY_TESTS=1 RUN_INTEGRATION_TESTS=1 RUN_API_TESTS=1 API_TEST_BOOTSTRAP_SCHEMA=1 API_TEST_ALLOW_LIVE_DB=1 API_TEST_REQUEST_TIMEOUT=180 vendor/bin/pest --testsuite=Legacy --colors=always',
+        'RUN_LEGACY_TESTS=1 RUN_INTEGRATION_TESTS=1 RUN_API_TESTS=1 API_TEST_FAIL_ON_SKIP=1 API_TEST_BOOTSTRAP_SCHEMA=1 API_TEST_ALLOW_LIVE_DB=1 API_TEST_REQUEST_TIMEOUT=180 vendor/bin/pest --testsuite=Legacy --colors=always',
     ],
 ];
 
+/**
+ * @param array<int, string> $extensions
+ */
+function assert_required_php_extensions(array $extensions): void
+{
+    $missing = array_values(array_filter(
+        $extensions,
+        static fn (string $extension): bool => !extension_loaded($extension)
+    ));
+
+    if ($missing === []) {
+        return;
+    }
+
+    fwrite(STDERR, 'Missing required PHP extension(s): ' . implode(', ', $missing) . PHP_EOL);
+    exit(1);
+}
+
 function reset_ci_state(): void
 {
     $database = getenv('CONFIG_DB_DATABASE') ?: 'nnks_db_debug';
@@ -91,6 +109,10 @@ function reset_ci_state(): void
 
 if ($suite === 'all') {
     foreach (['unit', 'integration', 'api', 'legacy'] as $selectedSuite) {
+        if (in_array($selectedSuite, ['api', 'legacy'], true)) {
+            assert_required_php_extensions(['mysqli']);
+        }
+
         reset_ci_state();
         foreach ($commands[$selectedSuite] as $command) {
             passthru($command, $exitCode);
@@ -107,6 +129,10 @@ if ($suite === 'all') {
     exit(2);
 }
 
+if (in_array($suite, ['api', 'legacy'], true)) {
+    assert_required_php_extensions(['mysqli']);
+}
+
 foreach ($selectedCommands as $command) {
     passthru($command, $exitCode);
     if ($exitCode !== 0) {