Issue #3403711 by mstrelan, smustgrave: Add declare(strict_types=1) to all Build tests

core/phpcs.xml.dist

@@ -268,6 +268,12 @@
        </property>
     </properties>
   </rule>
+  <rule ref="SlevomatCodingStandard.TypeHints.DeclareStrictTypes">
+    <properties>
+      <property name="spacesCountAroundEqualsSign" value="0" />
+    </properties>
+    <include-pattern>./tests/Drupal/BuildTests/*</include-pattern>
+  </rule>
 
   <!-- Squiz sniffs -->
   <rule ref="Squiz.Arrays.ArrayBracketSpacing"/>

core/tests/Drupal/BuildTests/Composer/Component/ComponentsIsolatedBuildTest.php

 <?php
 
+declare(strict_types=1);
+
 namespace Drupal\BuildTests\Composer\Component;
 
 use Drupal\BuildTests\Composer\ComposerBuildTestBase;

core/tests/Drupal/BuildTests/Composer/Component/ComponentsTaggedReleaseTest.php

 <?php
 
+declare(strict_types=1);
+
 namespace Drupal\BuildTests\Composer\Component;
 
 use Drupal\BuildTests\Composer\ComposerBuildTestBase;

core/tests/Drupal/BuildTests/Composer/ComposerBuildTestBase.php

 <?php
 
+declare(strict_types=1);
+
 namespace Drupal\BuildTests\Composer;
 
 use Drupal\BuildTests\Framework\BuildTestBase;

core/tests/Drupal/BuildTests/Composer/ComposerValidateTest.php

 <?php
 
+declare(strict_types=1);
+
 namespace Drupal\BuildTests\Composer;
 
 use Drupal\BuildTests\Framework\BuildTestBase;

core/tests/Drupal/BuildTests/Composer/Template/ComposerProjectTemplatesTest.php

 <?php
 
+declare(strict_types=1);
+
 namespace Drupal\BuildTests\Composer\Template;
 
 use Composer\Json\JsonFile;

core/tests/Drupal/BuildTests/Framework/BuildTestBase.php

 <?php
 
+declare(strict_types=1);
+
 namespace Drupal\BuildTests\Framework;
 
 use Behat\Mink\Driver\BrowserKitDriver;

core/tests/Drupal/BuildTests/Framework/ExternalCommandRequirementsTrait.php

 <?php
 
+declare(strict_types=1);
+
 namespace Drupal\BuildTests\Framework;
 
 use PHPUnit\Framework\SkippedTestError;

core/tests/Drupal/BuildTests/Framework/Tests/BuildTestTest.php

 <?php
 
+declare(strict_types=1);
+
 namespace Drupal\BuildTests\Framework\Tests;
 
 use Drupal\BuildTests\Framework\BuildTestBase;

core/tests/Drupal/BuildTests/Framework/Tests/ExternalCommandRequirementTest.php

 <?php
 
+declare(strict_types=1);
+
 namespace Drupal\BuildTests\Framework\Tests;
 
 use Drupal\BuildTests\Framework\ExternalCommandRequirementsTrait;

core/tests/Drupal/BuildTests/Framework/Tests/HtRouterTest.php

 <?php
 
+declare(strict_types=1);
+
 namespace Drupal\BuildTests\Framework\Tests;
 
 use Drupal\BuildTests\QuickStart\QuickStartTestBase;

core/tests/Drupal/BuildTests/QuickStart/QuickStartTestBase.php

 <?php
 
+declare(strict_types=1);
+
 namespace Drupal\BuildTests\QuickStart;
 
 use Drupal\BuildTests\Framework\BuildTestBase;

core/tests/Drupal/BuildTests/TestSiteApplication/InstallTest.php

 <?php
 
+declare(strict_types=1);
+
 namespace Drupal\BuildTests\TestSiteApplication;
 
 use Drupal\BuildTests\Framework\BuildTestBase;