* Run "1_setup.sh"
* Start up Sourcetrail
* Click "New Project"
* Enter a project name
* Set "./working_copy" as project location
* Click "Add Source Group"
* Select "Java" -> Java Source Group from Gradle"
* Click "Next"
* Select "build.gradle" at "Gradle Project File"
* Click "show source files"
* Validate 2 files are listed
* Click "OK"
* Check "Should Index Tests"
* Click "show source files"
* Validate 3 files are listed
* Click "OK"
* Click "Next"
* Add "**/HelloWorld.java" to "Excluded Files & Directories"
* Click "Next"
* Click "Create"
* Validate "All files" is the only option selectable
* Validate 2 files are listed for indexing
* Click "Start"
* Validate Project indexed without error
* Click "OK"
* Press "Refresh" button
* Validate "Updated files" is selected
* Validate "source files to index" shows "0"
* Click "Cancel"
* Run "2_update.sh"
* Press "Refresh" button
* Validate "Files to clear" shows "1"
* Validate "source files to index" shows "1"
* Click "Start"
* Validate Project indexed without error
* Click "OK"
* Close Sourcetrail
* Run "3_teardown.sh"