refactor(staking): add missing msgServer tests and move ValidateBasic() logic to msgServer (#15820)

testutil/testnet/genesis.go

@@ -7,6 +7,7 @@ import (
 	"time"
 
 	cmttypes "github.com/cometbft/cometbft/types"
+
 	"github.com/cosmos/cosmos-sdk/codec"
 	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
 	cryptocodec "github.com/cosmos/cosmos-sdk/crypto/codec"
@@ -110,12 +111,8 @@ func (b *GenesisBuilder) GenTx(privVal secp256k1.PrivKey, val cmttypes.GenesisVa
 	if err != nil {
 		panic(err)
 	}
-	_, err = sdk.ValAddressFromBech32(msg.ValidatorAddress)
-	if err != nil {
-		panic(err)
-	}
 
-	if err := msg.ValidateBasic(); err != nil {
+	if err := msg.Validate(); err != nil {
 		panic(err)
 	}