CLOUDSTACK-7682: Fixed usage event issue. Used api client of account for which we are checking the usage

Signed-off-by: SrikanteswaraRao Talluri <talluri@apache.org>
CLOUDSTACK-7684: Fixed Exception not raised issue in secondary storage limits test suite test_ss_max_limits.py

Signed-off-by: SrikanteswaraRao Talluri <talluri@apache.org>
CLOUDSTACK-7691: Fixed 'Exception not raised' issue in test_project_limits.py

Signed-off-by: SrikanteswaraRao Talluri <talluri@apache.org>
CLOUDSTACK-7692: Fixed template register issue in test_project_usage.py

Signed-off-by: SrikanteswaraRao Talluri <talluri@apache.org>
CLOUDSTACK-7728: Test script to identify product issue

Signed-off-by: SrikanteswaraRao Talluri <talluri@apache.org>