diff --git a/Models/Event.php b/Models/Event.php
index c2d3a29..ce219b0 100755
--- a/Models/Event.php
+++ b/Models/Event.php
@@ -132,7 +132,7 @@ class Event
      * @var int
      * @since 1.0.0
      */
-    public int $calendar;
+    public int $calendar = 0;
 
     /**
      * People.
@@ -161,7 +161,6 @@ class Event
         $this->createdAt = new \DateTimeImmutable('now');
         $this->location  = new Location();
         $this->schedule  = new Schedule();
-        $this->calendar  = 0;
         $this->start     = new \DateTime('now');
         $this->end       = new \DateTime('now');
     }
diff --git a/tests/Bootstrap.php b/tests/Bootstrap.php
index b904f0c..44438e2 100755
--- a/tests/Bootstrap.php
+++ b/tests/Bootstrap.php
@@ -381,7 +381,7 @@ function phpServe() : void
 
     // Execute the command and store the process ID
     $output = [];
-    echo \sprintf('Starting server...') . \PHP_EOL;
+    echo 'Starting server...' . \PHP_EOL;
     echo \sprintf(' Current directory: %s', \getcwd()) . \PHP_EOL;
     echo \sprintf(' %s', $command);
     \exec($command, $output);
@@ -406,7 +406,7 @@ function phpServe() : void
 
     // Kill the web server when the process ends
     \register_shutdown_function(function() use ($killCommand, $pid) : void {
-        echo \PHP_EOL . \sprintf('Stopping server...') . \PHP_EOL;
+        echo \PHP_EOL . 'Stopping server...' . \PHP_EOL;
         echo \sprintf(' %s - Killing process with ID %d', \date('r'), $pid) . \PHP_EOL;
         \exec($killCommand . $pid);
     });