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What should I do before checking code in?
Always Every developer is strongly adviced to use TeamCity pre-tested commit if you make changes where others may depend on and you did not run all tests feature if commit is not tested locally! Visual Studio plugin for TeamCity can be downloaded from My Settings & Tools menu on build server.
If The rule is: if someone checks code in that breaks build (new failing tests) - build must be reverted if it is not fixed within 30 min and the author of the broken tests does not take responsibility on TeamCity, and can't be reached. Use the following script to revert a specific build: build/tools/revert-svn-changes.cmd
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