logging in tests

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1893605 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/poi-integration/build.gradle b/poi-integration/build.gradle
index 49cb597..bbf0927 100644
--- a/poi-integration/build.gradle
+++ b/poi-integration/build.gradle
@@ -44,6 +44,7 @@
     testImplementation 'org.apache.ant:ant:1.10.11'
     testImplementation 'org.apache.commons:commons-collections4:4.4'
     testImplementation 'com.google.guava:guava:30.1.1-jre'
+    testRuntimeOnly 'org.slf4j:slf4j-api:1.7.32'
 
     misc(project(':poi-ooxml')) {
         capabilities {