Fix tests

Author: vmcj

webapp/tests/Unit/Utils/UtilsTest.php

@@ -340,15 +340,12 @@ public function testComponentToHex(): void
 
     public function testRgbToHex(): void
     {
-        self::assertEquals('#ffffff', Utils::rgbToHex([255, 255, 255, 255]));
         self::assertEquals('#ffffffff', Utils::rgbToHex([255, 255, 255, 255]));
-        self::assertEquals('#fff', Utils::rgbToHex([255, 255, 255, 255]));
-        self::assertEquals('#ffff', Utils::rgbToHex([255, 255, 255, 255]));
-        self::assertEquals('#000000', Utils::rgbToHex([0, 0, 0, 255]));
+        self::assertEquals('#ffffff00', Utils::rgbToHex([255, 255, 255, 0]));
+        self::assertEquals('#000000ff', Utils::rgbToHex([0, 0, 0, 255]));
         self::assertEquals('#00000000', Utils::rgbToHex([0, 0, 0, 0]));
         self::assertEquals('#abcdef', Utils::rgbToHex([171, 205, 239, 255]));
         self::assertEquals('#fedcba', Utils::rgbToHex([254, 220, 186, 255]));
-        self::assertEquals('#FEDCBA00', Utils::rgbToHex([254, 220, 186, 0]));
     }
 
     public function testRelativeLuminance(): void