Improved test so it is not environment dependent (windows partition was wrongly assumed in multipartition env)

Author: jcustovic

src/test/java/com/upplication/s3fs/spike/InstallProviderTest.java

@@ -132,6 +132,12 @@ private String pathToString(Path pathNext) {
         for (; pathNext.getParent() != null; pathNext = pathNext.getParent()) {
             pathFinal.insert(0, "/" + pathNext.getFileName().toString());
         }
+        String pathName = pathNext.toString();
+        if (pathName.endsWith("\\")) {
+            pathName = pathName.substring(0, pathName.length() - 1);
+        }
+        pathFinal.insert(0, "/" + pathName);
+
         return pathFinal.toString();
     }
 }