fix(phpunit): set beStrictAboutCoverageMetadata=false to allow UsesClass on classes extending vendor base classes

Author: walmir-silva

build/kcode.phar

@@ -46,7 +46,7 @@ public function generate(ProjectContext $context): string
                      cacheDirectory="build/.phpunit.cache"
                      executionOrder="depends,defects"
                      requireCoverageMetadata="false"
-                     beStrictAboutCoverageMetadata="true"
+                     beStrictAboutCoverageMetadata="false"
                      beStrictAboutOutputDuringTests="true"
                      failOnRisky="true"
                      failOnWarning="true"