8254195: java/nio/file/Files/SubstDrive.java failed with "AssertionError: expected [144951656448] but found [144951640064]"

Reviewed-by: alanb, bpb

Author: nhat-nguyen

test/jdk/java/nio/file/Files/SubstDrive.java

@@ -215,14 +215,6 @@ public void testFileStore() throws IOException {
             fileStore1.getBlockSize(),
             fileStore2.getBlockSize());
 
-        assertEquals(
-            fileStore1.getUnallocatedSpace(),
-            fileStore2.getUnallocatedSpace());
-
-        assertEquals(
-            fileStore1.getUsableSpace(),
-            fileStore2.getUsableSpace());
-
         assertEquals(
             fileStore1.name(),
             fileStore2.name());