Merge pull request microsoft#764 from LIS/juhlee/hb-tc-fix

Fixed the missing Priority tag in the xml file

Merge pull request microsoft#718 from LiliDeng/dpdk_mlx5

DPDK - Fix insert data into database error when test_mode is not set.

Enable platform specific step of checking system logs (microsoft#672)

* Make the operation of checking kernel logs flexible for each platform,
enable "FailForLogCheck" to fail a case if log check fails

* Fix comparing logs

* Fix detecting distro

* Add class for testresult

* Fix issue

* Handle the case that test script returns an array

* FailForLogCheck only fails test which was passed

* Update test summary

* Fix variable name

* Update for review comments

* Revert changing the testresult object

* Fix checking currentTestResult is an array

Merge pull request microsoft#651 from LIS/harz/ReadyDocAndDB

Harz/ready doc and db

NESTED-KVM-BASIC-VERIFICATION: fix issue on RedHat7.7 (microsoft#539)

Merge pull request microsoft#288 from iamshital/report_fix

Fix: handled devided by zero exception in Get-SubscriptionUsage.ps1

Merge pull request microsoft#288 from iamshital/report_fix

Fix: handled devided by zero exception in Get-SubscriptionUsage.ps1