use absolute path for Paths.get()

Author: Vladimir Kotal

opengrok-indexer/src/test/java/org/opengrok/indexer/util/PathUtilsTest.java

@@ -64,14 +64,14 @@ public void tearDown() {
 
     @Test
     public void shouldHandleSameInputs() throws IOException {
-        final String USR_BIN = Paths.get(URI.create("file:///usr/bin")).toString();
+        final String USR_BIN = Paths.get("/usr/bin").toString();
         String rel = PathUtils.getRelativeToCanonical(USR_BIN, USR_BIN);
         Assert.assertEquals(USR_BIN + " rel to itself", "", rel);
     }
 
     @Test
     public void shouldHandleEffectivelySameInputs() throws IOException {
-        final String USR_BIN = Paths.get(URI.create("file:///usr/bin")).toString();
+        final String USR_BIN = Paths.get("/usr/bin").toString();
         String rel = PathUtils.getRelativeToCanonical(USR_BIN + File.separator, USR_BIN);
         Assert.assertEquals(USR_BIN + " rel to ~itself", "", rel);
     }