Creates/Updates test management tests for tests in the storage file. You can have these added to a TestSuite by specifying ...

Creates/Updates test management tests for tests in the storage file.  You can
have these added to a TestSuite by specifying the /syncsuite option. By default, the
ignored tests are excluded. Use /include option if you also want them in the TestSuite.

tcm testcase /import /collection:teamprojectcollectionurl /teamproject:project 
             /storage:path 
             [/maxpriority:priority]
             [/minpriority:priority]
             [/category:filter]
             [/syncsuite:id [/include]]
             [/login:username,[password]]