diff --git a/tests/SMSTest.php b/tests/SMSTest.php
index 81b093a..06ef0ef 100644
--- a/tests/SMSTest.php
+++ b/tests/SMSTest.php
@@ -39,7 +39,7 @@ public function testSMSWithEmptyRecipient()
 	public function testSingleSMSSending()
 	{
 		$response = $this->client->send([
-			'to' 		=> [Fixtures::$phoneNumber], 
+			'to' 		=> Fixtures::$phoneNumber, 
 			'message' 	=> 'Testing SMS...'
 		]);
 
@@ -56,6 +56,36 @@ public function testMultipleSMSSending()
 		$this->assertObjectHasAttribute('SMSMessageData', $response['data']);
 	}
 
+	public function testHeavySingleSMSSending()
+	{
+		$count = 100000;
+		$phoneNumbers = array();
+		for($i=0;$i<$count;$i++) {
+			array_push($phoneNumbers, "+254724".($count + $i));
+		};
+		$response = $this->client->send([
+			'to' 		=> $phoneNumbers, 
+			'message' 	=> "Testing send a message to $count numbers...",
+			'enqueue'	=> true
+		]);
+
+		$this->assertObjectHasAttribute('SMSMessageData', $response['data']);
+	}
+
+	public function testLightMultipleSMSSending()
+	{
+		$count = 10;
+		for($i=0;$i<$count;$i++) {
+			$num = "+254724".($count + $i);
+			$response = $this->client->send([
+				'to' 		=> $num, 
+				'message' 	=> "Testing send a message to $count numbers...",
+				'enqueue'	=> true
+			]);
+		};
+		$this->assertObjectHasAttribute('SMSMessageData', $response['data']);
+	}
+
 	public function testSMSSendingWithShortcode()
 	{
 		$response = $this->client->send([