* Setting up tests on import extension
* -Added API wrappers for all the azdata and vscode APIs to make them easily mockable
-Added some unit tests for the import extension
-Some code logic separations
* -added code report for the import extension in ci
* changes code coverage to 36%
* adding some comments
* Removing unnecessary exports
* -refactored test code to replicate src structure
-some changes mentioned in the pr
* removed unnecessary prefixes from test case name
* Setting up tests on import extension
* -Added API wrappers for all the azdata and vscode APIs to make them easily mockable
-Added some unit tests for the import extension
-Some code logic separations
* -added code report for the import extension in ci
* Did some more code refractoring
* -Added json report generation
* updated vscodetestcoverage to latest version in import extension.
* -remove duplicate codecoverageConfig.json
