Do not use empty()

Author: sebastianbergmann

src/Framework/MockObject/MockBuilder.php

@@ -116,7 +116,7 @@ public function getMock(): MockObject
      */
     public function onlyMethods(array $methods): self
     {
-        if (empty($methods)) {
+        if ($methods === []) {
             $this->emptyMethodsArray = true;
 
             return $this;

src/Runner/TestSuiteLoader.php

@@ -109,7 +109,7 @@ private function loadSuiteClassFile(string $suiteClassFile): array
             return self::$fileToClassesMap[$suiteClassFile];
         }
 
-        if (empty(self::$declaredClasses)) {
+        if (self::$declaredClasses === []) {
             self::$declaredClasses = get_declared_classes();
         }
 
@@ -133,7 +133,7 @@ private function loadSuiteClassFile(string $suiteClassFile): array
 
         self::$declaredClasses = get_declared_classes();
 
-        if (empty($loadedClasses)) {
+        if ($loadedClasses === []) {
             return self::$declaredClasses;
         }