qa/rados/dashbord use "random" objectore

1. removed symlink to `.qa/objectstore`
2. added `random-objectstore&` to `.qa/objectstore`

Signed-off-by: Sebastian Wagner <sebastian.wagner@suse.com>

diff --git a/qa/suites/rados/dashboard/objectstore b/qa/suites/rados/dashboard/objectstore
deleted file mode 120000 (symlink)
index c40bd32..0000000
--- a/qa/suites/rados/dashboard/objectstore
+++ /dev/null
@@ -1 +0,0 @@
-.qa/objectstore
\ No newline at end of file

diff --git a/qa/suites/rados/dashboard/random-objectstore$ b/qa/suites/rados/dashboard/random-objectstore$
new file mode 120000 (symlink)
index 0000000..c40bd32
--- /dev/null
+++ b/qa/suites/rados/dashboard/random-objectstore$
@@ -0,0 +1 @@
+.qa/objectstore
\ No newline at end of file