Fix BMC dump max cap per dump

The BMC max cap is decided 200K and this is going forward with
the fix in review openbmc/openbmc#1506

Change-Id: Ie532da3539465d481e6ce73dfe6ead55fe7f6299
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/tests/test_bmc_dump.robot b/tests/test_bmc_dump.robot
index 358681f..dcccd81 100644
--- a/tests/test_bmc_dump.robot
+++ b/tests/test_bmc_dump.robot
@@ -32,14 +32,14 @@
 
 
 Verify User Initiated Dump Size
-    [Documentation]  Verify user Initiated BMC dump size is under 500k.
+    [Documentation]  Verify user Initiated BMC dump size is under 200k.
     [Tags]  Verify_User_Initiated_Dump_Size
 
     ${dump_id}=  Create User Initiated Dump
 
     ${dump_size}=  Read Attribute  ${DUMP_ENTRY_URI}/${dump_id}  Size
-    # Max size for dump is 500k
-    Should Be True  0 < ${dump_size} < 500000
+    # Max size for dump is 200k = 200x1024
+    Should Be True  0 < ${dump_size} < 204800