fix(build): align test imports with tstest tapbundle and simplify the build script

license

@@ -1,4 +1,4 @@
-Copyright (c) 2020 Lossless GmbH (hello@lossless.com)
+Copyright (c) 2020 Task Venture Capital GmbH (hello@task.vc)
 Copyright (c) 2017 Nathan Friend (ts-keycode-enum)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
@@ -17,4 +17,4 @@ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
+SOFTWARE.