Merge pull request #514 from XiangRongLin/test_jvm_property

Pass on gradle JVM system property to test JVM

extractor/build.gradle

@@ -1,3 +1,10 @@
+test {
+//  Pass on downloader type to tests for different CI jobs. See DownloaderFactory.java and ci.yml
+    if (System.properties.containsKey('downloader')) {
+        systemProperty('downloader', System.getProperty('downloader'))
+    }
+}
+
 dependencies {
     implementation project(':timeago-parser')