* 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
* -Added some modifyColumnPage tests
* pushing temp changes
* -Added some more testcases
* -Added tests using available vscode and azdata apis
* some minor comment change
* removed unnecessary test
* added accidently removed test
* Added some comments
* fixed some broken tests and added comments in fileConfigPage
* code clean up and some more comments
* fixed the prosePreviewPage test and the download test
* added getter and setters
* Increasing timeout and fixing a comment
* removed unnecessary comments and some other code cleanup
* Deleting dotnet files before redownloading them
* - made changes in the PR
- Moved extensioncode to utils.test for better reusability
* added some 'should' messages
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