Fixing test case - sending empty body fixes the test

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@180495 a5903396-d722-0410-b921-86c7d4935375
Fixing delete resource issue

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@180496 a5903396-d722-0410-b921-86c7d4935375