Convert deprecations to exceptions

sebastianbergmann · sebastianbergmann · commit c159f3d0ba1b · 2022-03-06T17:47:32.000+01:00
diff --git a/phpunit.xml b/phpunit.xml
@@ -7,6 +7,7 @@
          requireCoverageMetadata="true"
          beStrictAboutCoverageMetadata="true"
          beStrictAboutOutputDuringTests="true"
+         convertDeprecationsToExceptions="true"
          failOnRisky="true"
          failOnWarning="true"
          colors="true"
