* #1981: Avoid OSGi bundle's dependency on sun.misc package
* Specify optional dependency on sun.misc.Unsafe
* Adjusting the test to sun.misc import being optional
* Using Collections.list and for loop
* Let the fail message include name of package
Co-authored-by: Marcono1234 <Marcono1234@users.noreply.github.com>
* Closing the input stream
* Dedicated assertSubstring method
Co-authored-by: Marcono1234 <Marcono1234@users.noreply.github.com>