diff --git a/test/cli/acceptance.go b/test/cli/acceptance.go
index 8866773b67..68554ec714 100644
--- a/test/cli/acceptance.go
+++ b/test/cli/acceptance.go
@@ -683,13 +683,13 @@ func (am *Alertmanager) showRouteCommand() ([]byte, error) {
 	return cmd.CombinedOutput()
 }
 
-func (am *Alertmanager) TestRoute() ([]byte, error) {
-	return am.testRouteCommand()
+func (am *Alertmanager) TestRoute(labels ...string) ([]byte, error) {
+	return am.testRouteCommand(labels...)
 }
 
-func (am *Alertmanager) testRouteCommand() ([]byte, error) {
+func (am *Alertmanager) testRouteCommand(labels ...string) ([]byte, error) {
 	amURLFlag := "--alertmanager.url=" + am.getURL("/")
-	args := []string{amURLFlag, "config", "routes", "test"}
+	args := append([]string{amURLFlag, "config", "routes", "test"}, labels...)
 	cmd := exec.Command(amtool, args...)
 	return cmd.CombinedOutput()
 }
diff --git a/test/cli/acceptance/cli_test.go b/test/cli/acceptance/cli_test.go
index 28b2e387c5..bc6af58599 100644
--- a/test/cli/acceptance/cli_test.go
+++ b/test/cli/acceptance/cli_test.go
@@ -265,4 +265,9 @@ receivers:
 	am := amc.Members()[0]
 	_, err := am.TestRoute()
 	require.NoError(t, err)
+
+	// Bad labels should return error
+	out, err := am.TestRoute("{foo=bar}")
+	require.EqualError(t, err, "exit status 1")
+	require.Equal(t, "amtool: error: Failed to parse labels: bad matcher format: {foo=bar}\n\n", string(out))
 }