Merge pull request #280 from lloc/chore

Test enhanced

Author: lloc

tests/TestMslsContentTypes.php

@@ -8,7 +8,7 @@
 
 class TestMslsContentTypes extends MslsUnitTestCase {
 
-	public function test_create() {
+	public function test_create(): void {
 		Functions\expect( 'get_post_types' )->twice()->andReturn( [] );
 
 		$obj = MslsContentTypes::create();