refactor: Improve x/bank deterministic tests (#13450)

* refactor: Improve x/bank deterministic tests

* typo

* Less changes

* Rename var

* Fix SpendableBalances

* Fix pagination tests

* Fix TestGRPCQueryTotalSupply

* Remove explicit SetupTest()

* Fix TestGRPCSendEnabled

Co-authored-by: Aleksandr Bezobchuk <alexanderbez@users.noreply.github.com>

testutil/testdata/tx.go

@@ -11,6 +11,7 @@ import (
 	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+	"github.com/cosmos/cosmos-sdk/types/query"
 )
 
 // AddressGenerator creates and returns a random address generator using rapid.
@@ -21,6 +22,19 @@ func AddressGenerator(t *rapid.T) *rapid.Generator[sdk.AccAddress] {
 	})
 }
 
+// PaginationGenerator creates and returns a pagination PageRequest generator
+// using rapid.
+func PaginationGenerator(t *rapid.T, maxLimit uint64) *rapid.Generator[*query.PageRequest] {
+	return rapid.Custom(func(t *rapid.T) *query.PageRequest {
+		return &query.PageRequest{
+			Offset:     rapid.Uint64Range(0, maxLimit).Draw(t, "offset"),
+			Limit:      rapid.Uint64Range(0, maxLimit).Draw(t, "limit"),
+			CountTotal: rapid.Bool().Draw(t, "count-total"),
+			Reverse:    rapid.Bool().Draw(t, "reverse"),
+		}
+	})
+}
+
 // KeyTestPubAddr generates a new secp256k1 keypair.
 func KeyTestPubAddr() (cryptotypes.PrivKey, cryptotypes.PubKey, sdk.AccAddress) {
 	key := secp256k1.GenPrivKey()