diff --git a/ext/mysqli/tests/004.phpt b/ext/mysqli/tests/004.phpt
index 92924f14df8..09eff4a1ecf 100644
--- a/ext/mysqli/tests/004.phpt
+++ b/ext/mysqli/tests/004.phpt
@@ -8,7 +8,7 @@ require_once 'skipifconnectfailure.inc';
 ?>
 --FILE--
 <?php
-    include ('connect.inc');
+    include 'connect.inc';
 
     /*** test mysqli_connect 127.0.0.1 ***/
     $link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket);
diff --git a/ext/mysqli/tests/bug33090.phpt b/ext/mysqli/tests/bug33090.phpt
index d551a9535f3..043f10ef801 100644
--- a/ext/mysqli/tests/bug33090.phpt
+++ b/ext/mysqli/tests/bug33090.phpt
@@ -8,7 +8,7 @@ require_once 'skipifconnectfailure.inc';
 ?>
 --FILE--
 <?php
-    include ('connect.inc');
+    include 'connect.inc';
 
     /*** test mysqli_connect 127.0.0.1 ***/
     $link = my_mysqli_connect($host, $user, $passwd, null, $port, $socket);
diff --git a/ext/mysqli/tests/bug34785.phpt b/ext/mysqli/tests/bug34785.phpt
index 5dac60653d7..2a4c9d7c900 100644
--- a/ext/mysqli/tests/bug34785.phpt
+++ b/ext/mysqli/tests/bug34785.phpt
@@ -8,7 +8,7 @@ require_once 'skipifconnectfailure.inc';
 ?>
 --FILE--
 <?php
-    include ('connect.inc');
+    include 'connect.inc';
 
     class my_stmt extends mysqli_stmt
     {
diff --git a/ext/mysqli/tests/bug46614.phpt b/ext/mysqli/tests/bug46614.phpt
index 10a62f04ca0..89392d969d5 100644
--- a/ext/mysqli/tests/bug46614.phpt
+++ b/ext/mysqli/tests/bug46614.phpt
@@ -22,7 +22,7 @@ class MySQL_Ext extends mysqli{
     }
 }
 
-include ('connect.inc');
+include 'connect.inc';
 $MySQL_Ext = new MySQL_Ext($host, $user, $passwd, $db, $port, $socket);
 
 $isEmpty = $MySQL_Ext->isEmpty();
diff --git a/ext/mysqli/tests/bug47050.phpt b/ext/mysqli/tests/bug47050.phpt
index 0f23b9ff806..35a3a23c9f0 100644
--- a/ext/mysqli/tests/bug47050.phpt
+++ b/ext/mysqli/tests/bug47050.phpt
@@ -11,7 +11,7 @@ if (!defined("MYSQLI_ASYNC")) {
 ?>
 --FILE--
 <?php
-    include ('connect.inc');
+    include 'connect.inc';
 
     $link1 = my_mysqli_connect($host, $user, $passwd, null, $port, $socket);
     mysqli_select_db($link1, $db);
diff --git a/ext/mysqli/tests/bug49027.phpt b/ext/mysqli/tests/bug49027.phpt
index f77939f9fe0..fa02d3578a6 100644
--- a/ext/mysqli/tests/bug49027.phpt
+++ b/ext/mysqli/tests/bug49027.phpt
@@ -8,7 +8,7 @@ require_once 'skipifconnectfailure.inc';
 ?>
 --FILE--
 <?php
-    include ('connect.inc');
+    include 'connect.inc';
 
     $link = mysqli_init();
     if (!mysqli_options($link, MYSQLI_INIT_COMMAND, "SELECT 1")) {
diff --git a/ext/mysqli/tests/bug51605.phpt b/ext/mysqli/tests/bug51605.phpt
index fcb02251e6b..e19953be05c 100644
--- a/ext/mysqli/tests/bug51605.phpt
+++ b/ext/mysqli/tests/bug51605.phpt
@@ -12,7 +12,7 @@ mysqli.allow_persistent = Off
 mysqli.max_persistent = 0
 --FILE--
 <?php
-    include ('connect.inc');
+    include 'connect.inc';
 
     $link = mysqli_init();
     if (!my_mysqli_real_connect($link, $host, $user, $passwd, $db, $port, $socket)) {
diff --git a/ext/mysqli/tests/bug54221.phpt b/ext/mysqli/tests/bug54221.phpt
index 2f68c47b19a..34bf6507313 100644
--- a/ext/mysqli/tests/bug54221.phpt
+++ b/ext/mysqli/tests/bug54221.phpt
@@ -12,7 +12,7 @@ mysqli.allow_persistent = Off
 mysqli.max_persistent = 0
 --FILE--
 <?php
-    include ('connect.inc');
+    include 'connect.inc';
 
     $link = mysqli_init();
     if (!my_mysqli_real_connect($link, $host, $user, $passwd, $db, $port, $socket)) {
diff --git a/ext/mysqli/tests/bug54674.phpt b/ext/mysqli/tests/bug54674.phpt
index 6cab01f609a..ea67f0255b9 100644
--- a/ext/mysqli/tests/bug54674.phpt
+++ b/ext/mysqli/tests/bug54674.phpt
@@ -12,7 +12,7 @@ mysqli.allow_persistent = Off
 mysqli.max_persistent = 0
 --FILE--
 <?php
-    include ('connect.inc');
+    include 'connect.inc';
 
     $link = mysqli_init();
     if (!my_mysqli_real_connect($link, $host, $user, $passwd, $db, $port, $socket)) {