6892710: (file) test/java/nio/file/Path/CheckPermissions.java fails in samevm mode

Reviewed-by: ohair

test/java/nio/file/Files/ContentType.java

@@ -26,7 +26,7 @@
  * @summary Unit test for probeContentType method
  * @library ..
  * @build ContentType SimpleFileTypeDetector
- * @run main ContentType
+ * @run main/othervm ContentType
  */
 
 import java.nio.file.*;

test/java/nio/file/Path/CheckPermissions.java

@@ -25,6 +25,8 @@
  * @bug 6866804
  * @summary Unit test for java.nio.file.Path
  * @library ..
+ * @build CheckPermissions
+ * @run main/othervm CheckPermissions
  */
 
 import java.nio.ByteBuffer;