GUI: Added test cases for "Sensors" tab

Added following test cases:
    - Verify select "Sensors" from "Server health".
    - Verify "Sensors" export from "Server health" clickable.
    - Verify search text enterable.

Resolves openbmc/openbmc-test-automation#1351

Change-Id: I238954cf056e1f89237c4ddd797e711aa6554abf
Signed-off-by: Sivas SRR <sivas.srr@in.ibm.com>
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
1 file changed