oeqa/reproducible: Improve test output and ensure deb+ipk compared
Adding newline characters between the packages in the failure output
massively improves readability.
Also ensure to output ipk failures when there are deb failures by
calling self.fail() at the end, else sometimes only partial differences
are returned.
(From OE-Core rev:
6e2e0480852177db75a6108d77c99c92c4e9950f)
(From OE-Core rev:
4d470f48f7fb5e05fba1ca3a59fb4f85d910026e)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
