diff --git a/dev-qt/qtmultimedia/qtmultimedia-6.6.2.ebuild b/dev-qt/qtmultimedia/qtmultimedia-6.6.2.ebuild
index a3be548751743..5e96be6b4dda8 100644
--- a/dev-qt/qtmultimedia/qtmultimedia-6.6.2.ebuild
+++ b/dev-qt/qtmultimedia/qtmultimedia-6.6.2.ebuild
@@ -54,6 +54,8 @@ DEPEND="
 BDEPEND="~dev-qt/qtshadertools-${PV}:6"
 
 CMAKE_SKIP_TESTS=(
+	# unimportant and expects all backends to be available (bug #928420)
+	tst_backends
 	# tries to use real alsa or pulseaudio and fails in sandbox
 	tst_qaudiosink
 	tst_qaudiosource
diff --git a/dev-qt/qtmultimedia/qtmultimedia-6.6.3.ebuild b/dev-qt/qtmultimedia/qtmultimedia-6.6.3.ebuild
index a3be548751743..5e96be6b4dda8 100644
--- a/dev-qt/qtmultimedia/qtmultimedia-6.6.3.ebuild
+++ b/dev-qt/qtmultimedia/qtmultimedia-6.6.3.ebuild
@@ -54,6 +54,8 @@ DEPEND="
 BDEPEND="~dev-qt/qtshadertools-${PV}:6"
 
 CMAKE_SKIP_TESTS=(
+	# unimportant and expects all backends to be available (bug #928420)
+	tst_backends
 	# tries to use real alsa or pulseaudio and fails in sandbox
 	tst_qaudiosink
 	tst_qaudiosource
diff --git a/dev-qt/qtmultimedia/qtmultimedia-6.7.0.ebuild b/dev-qt/qtmultimedia/qtmultimedia-6.7.0.ebuild
index 4f3890da25d94..6ed0ab79449b1 100644
--- a/dev-qt/qtmultimedia/qtmultimedia-6.7.0.ebuild
+++ b/dev-qt/qtmultimedia/qtmultimedia-6.7.0.ebuild
@@ -54,6 +54,8 @@ DEPEND="
 BDEPEND="~dev-qt/qtshadertools-${PV}:6"
 
 CMAKE_SKIP_TESTS=(
+	# unimportant and expects all backends to be available (bug #928420)
+	tst_backends
 	# tries to use real alsa or pulseaudio and fails in sandbox
 	tst_qaudiosink
 	tst_qaudiosource
diff --git a/dev-qt/qtmultimedia/qtmultimedia-6.7.9999.ebuild b/dev-qt/qtmultimedia/qtmultimedia-6.7.9999.ebuild
index 4f3890da25d94..6ed0ab79449b1 100644
--- a/dev-qt/qtmultimedia/qtmultimedia-6.7.9999.ebuild
+++ b/dev-qt/qtmultimedia/qtmultimedia-6.7.9999.ebuild
@@ -54,6 +54,8 @@ DEPEND="
 BDEPEND="~dev-qt/qtshadertools-${PV}:6"
 
 CMAKE_SKIP_TESTS=(
+	# unimportant and expects all backends to be available (bug #928420)
+	tst_backends
 	# tries to use real alsa or pulseaudio and fails in sandbox
 	tst_qaudiosink
 	tst_qaudiosource
diff --git a/dev-qt/qtmultimedia/qtmultimedia-6.9999.ebuild b/dev-qt/qtmultimedia/qtmultimedia-6.9999.ebuild
index 4f3890da25d94..6ed0ab79449b1 100644
--- a/dev-qt/qtmultimedia/qtmultimedia-6.9999.ebuild
+++ b/dev-qt/qtmultimedia/qtmultimedia-6.9999.ebuild
@@ -54,6 +54,8 @@ DEPEND="
 BDEPEND="~dev-qt/qtshadertools-${PV}:6"
 
 CMAKE_SKIP_TESTS=(
+	# unimportant and expects all backends to be available (bug #928420)
+	tst_backends
 	# tries to use real alsa or pulseaudio and fails in sandbox
 	tst_qaudiosink
 	tst_qaudiosource