fixup! test(controlobjectaliastest): Add tests for mixer aliases

Author: ronso0

src/test/controlobjectaliastest.cpp

@@ -181,7 +181,7 @@ TEST_F(ControlObjectAliasTest, EngineMixer) {
     auto microphoneMonitorMode = ControlProxy(
             ConfigKey(kMixerGroup, QStringLiteral("talkover_mix")));
     auto microphoneMonitorModeLegacy = ControlProxy(
-            ConfigKey(kLegacyGroup, QStringLiteral("talkoverDucking")));
+            ConfigKey(kLegacyGroup, QStringLiteral("talkover_mix")));
     EXPECT_DOUBLE_EQ(microphoneMonitorMode.get(), microphoneMonitorModeLegacy.get());
 }