Use unique source ID for the unit tests

internal/events/router_test.go

@@ -25,7 +25,7 @@ func TestRouterRoute(t *testing.T) {
 	require.NoError(t, daemon.LoadConfig("../../config.example.yml"), "loading config file should not fail")
 
 	// Insert a dummy sources for our test cases!
-	source := config.Source{ID: 1, Type: "notifications", Name: "Icinga Notifications", Icinga2InsecureTLS: types.Bool{Bool: false, Valid: true}}
+	source := config.Source{ID: 10, Type: "notifications", Name: "Icinga Notifications", Icinga2InsecureTLS: types.Bool{Bool: false, Valid: true}}
 	stmt, _ := db.BuildInsertStmt(source)
 	_, err := db.NamedExecContext(ctx, stmt, source)
 	require.NoError(t, err, "populating source table should not fail")
@@ -124,7 +124,7 @@ func TestRouterRoute(t *testing.T) {
 // makeEvent creates a fully initialised event.Event of the given type and severity.
 func makeEvent(t *testing.T, typ string, severity event.Severity) *event.Event {
 	return &event.Event{
-		SourceId: 1,
+		SourceId: 10,
 		Name:     testutils.MakeRandomString(t),
 		URL:      "https://localhost/icingaweb2/icingadb",
 		Type:     typ,