Fix namespace in unit tests

[MAILPOET-6216]

packages/php/email-editor/tests/unit/Engine/SettingsControllerTest.php

@@ -0,0 +1,32 @@
+<?php declare(strict_types = 1);
+
+namespace MailPoet\EmailEditor\Engine;
+
+class SettingsControllerTest extends \MailPoetUnitTest {
+  public function testItGetsCorrectLayoutWidthWithoutPadding(): void {
+    $themeJsonMock = $this->createMock(\WP_Theme_JSON::class);
+    $themeJsonMock->method('get_data')->willReturn([
+      'styles' => [
+        'spacing' => [
+          'padding' => [
+            'left' => '10px',
+            'right' => '10px',
+          ],
+        ],
+      ],
+    ]);
+    $themeController = $this->createMock(ThemeController::class);
+    $themeController->method('getTheme')->willReturn($themeJsonMock);
+    $themeController->method('getSettings')->willReturn([
+      "layout" => [
+        "contentSize" => "660px",
+        "wideSize" => "660px",
+      ],
+    ]);
+    $settingsController = new SettingsController($themeController);
+    $layoutWidth = $settingsController->getLayoutWidthWithoutPadding();
+    // default width is 660px and if we subtract padding from left and right we must get the correct value
+    $expectedWidth = (int)SettingsController::EMAIL_WIDTH - 10 * 2;
+    $this->assertEquals($expectedWidth . 'px', $layoutWidth);
+  }
+}