app-editors/emacs: Backport test fixes to slot 28

Also disable two more tests.

Signed-off-by: Ulrich Müller <ulm@gentoo.org>

app-editors/emacs/emacs-28.2-r10.ebuild

@@ -174,6 +174,12 @@ src_prepare() {
 	# Fix filename reference in redirected man page
 	sed -i -e "/^\\.so/s/etags/&-${EMACS_SUFFIX}/" doc/man/ctags.1 || die
 
+	# Tests that use bubblewrap don't work in the sandbox:
+	# "bwrap: setting up uid map: Permission denied"
+	# So, disrupt the search for the bwrap executable.
+	sed -i -e 's/(executable-find "bwrap")/nil/' test/src/emacs-tests.el \
+		test/lisp/emacs-lisp/bytecomp-tests.el || die
+
 	AT_M4DIR=m4 eautoreconf
 }
 
@@ -368,12 +374,17 @@ src_test() {
 		%lisp/vc/vc-tests.el
 		%lisp/vc/vc-bzr-tests.el
 
-		# Reason: fails if bubblewrap (bwrap) is installed
-		# "bwrap: setting up uid map: Permission denied"
-		#
-		# bytecomp-tests--dest-mountpoint
-		%lisp/emacs-lisp/bytecomp-tests.el
+		# Reason: some copyright years differ
+		%lisp/emacs-lisp/copyright-tests.el
+
+		# Reason: quoting issues (fixed in Emacs 29)
+		%lib-src/emacsclient-tests.el
 	)
+	use threads || exclude_tests+=(
+			%src/emacs-module-tests.el
+			%src/keyboard-tests.el
+			%src/thread-tests.el
+		)
 
 	# See test/README for possible options
 	emake \