Close php tags for ajax tests on swarm

test/data/errorWithJSON.php

@@ -3,4 +3,6 @@
 header("HTTP/1.0 400 Bad Request");
 header("Content-Type: application/json");
 
-echo '{ "code": 40, "message": "Bad Request" }';
\ No newline at end of file
+echo '{ "code": 40, "message": "Bad Request" }';
+
+?>
\ No newline at end of file

test/data/errorWithText.php

@@ -2,4 +2,6 @@
 
 header("HTTP/1.0 400 Bad Request");
 
-echo "plain text message";
\ No newline at end of file
+echo "plain text message";
+
+?>
\ No newline at end of file

test/data/headers.php

@@ -16,3 +16,5 @@ foreach( $_SERVER as $key => $value ) {
 foreach( explode( "_" , $_GET[ "keys" ] ) as $key ) {
 	echo "$key: " . @$headers[ strtoupper( $key ) ] . "\n";
 }
+
+?>
\ No newline at end of file