BSC_Tests: configure 3 additional TRX instances for BTS2

Change-Id: Ie1241c54abac9a56906c525155cbf7482bca738e
Related: Iba4fbd5c9ed59783df4ac64e68b2beef73a812ff
Related: SYS#5460
diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index b7de157..b445709 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -106,7 +106,7 @@
 private const BtsParams c_BtsParams[NUM_BTS_CFG] := {
 	/* BTS0 */ { trx_num := 1, tsc := 2 },
 	/* BTS1 */ { trx_num := 1, tsc := 3 },
-	/* BTS2 */ { trx_num := 1, tsc := 4 },
+	/* BTS2 */ { trx_num := 4, tsc := 4 },
 	/* BTS3 */ { trx_num := 1, tsc := 4 }
 }