discovery: fix build error in TestGaugeLastUpdateTimestamp (#18430)

NewTestMetrics returns a single value but the test was
assigning it to two variables.

Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
This commit is contained in:
George Krajcsovits 2026-04-02 20:42:03 +02:00 committed by GitHub
parent e0cbfbe1b2
commit f1b226a2f3
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@ -1653,7 +1653,7 @@ func TestGaugeLastUpdateTimestamp(t *testing.T) {
ctx := t.Context()
reg := prometheus.NewRegistry()
_, sdMetrics := NewTestMetrics(t, reg)
sdMetrics := NewTestMetrics(t, reg)
discoveryManager := NewManager(ctx, promslog.NewNopLogger(), reg, sdMetrics)
require.NotNil(t, discoveryManager)