use Paths.get()

Author: Vladimir Kotal

opengrok-indexer/src/test/java/org/opengrok/indexer/history/MercurialRepositoryTest.java

@@ -35,6 +35,7 @@
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
+import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -194,7 +195,7 @@ public void testGetHistoryBranch() throws Exception {
 
         // Branch the repo and add one changeset.
         runHgCommand(root, "unbundle",
-                getClass().getResource("/history/hg-branch.bundle").getPath());
+                Paths.get(getClass().getResource("/history/hg-branch.bundle").toURI()).toString());
         // Switch to the branch.
         runHgCommand(root, "update", "mybranch");