updating 'pod-test' documentation to specify which profile is supported

Change-Id: I6af2272c99f984b3728ca34b4d3ddd118f17eac7
(cherry picked from commit dafc17ceffa052ce88ca40de63de4f17a34f52d5)
diff --git a/docs/install_virtual.md b/docs/install_virtual.md
index e0b6dcd..496ecf2 100644
--- a/docs/install_virtual.md
+++ b/docs/install_virtual.md
@@ -103,6 +103,7 @@
 cd ~/cord/build
 make pod-test
 ```
+> NOTE: This test can only be conducted on the `rcord-virtual` profile. Other profile tests are still WIP. 
 
 The output of the tests will be displayed, as well as stored in
 `~/cord/build/logs/<iso8601_datetime>_pod-test`.