XWIKI-19750: Allow macros to have several categories

Fix scope of xwiki-commons-tool-test-simple in xwiki-platform-legacy-rendering-wikimacro-api.

xwiki-platform-core/xwiki-platform-legacy/xwiki-platform-legacy-rendering/xwiki-platform-legacy-rendering-wikimacro/xwiki-platform-legacy-rendering-wikimacro-api/pom.xml

@@ -66,6 +66,7 @@
       <groupId>org.xwiki.commons</groupId>
       <artifactId>xwiki-commons-tool-test-simple</artifactId>
       <version>${commons.version}</version>
+      <scope>test</scope>
     </dependency>
   </dependencies>
   <build>