Revert changes from main commits that were merged into blender-v4.1-release

The last good commit was f57e4c5b98.

After this one more fix was committed, this one is preserved as well:
67bd678887.

tests/python/modules/render_report.py

@@ -240,7 +240,7 @@ class Report:
             message += """<p><tt>BLENDER_TEST_UPDATE=1 ctest -R %s</tt></p>""" % self.engine_name
             message += """<p>This then happens for new and failing tests; reference images of """ \
                        """passing test cases will not be updated. Be sure to commit the new reference """ \
-                       """images to the tests/data git submodule afterwards.</p>"""
+                       """images to the SVN repository afterwards.</p>"""
             message += """</div>"""
         else:
             message = ""

tests/python/modules/test_utils.py

@@ -60,6 +60,7 @@ class AbstractBlenderRunnerTest(unittest.TestCase):
         command = [
             self.blender,
             '--background',
+            '-noaudio',
             '--factory-startup',
             '--enable-autoexec',
             '--debug-memory',