diff --git a/mcms/changesets/grant_role_timelock_test.go b/mcms/changesets/grant_role_timelock_test.go
new file mode 100644
index 0000000..7cf312e
--- /dev/null
+++ b/mcms/changesets/grant_role_timelock_test.go
@@ -0,0 +1,150 @@
+package changesets
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/gagliardetto/solana-go"
+	chainselectors "github.com/smartcontractkit/chain-selectors"
+	cldf_chain "github.com/smartcontractkit/chainlink-deployments-framework/chain"
+	cldf_solana "github.com/smartcontractkit/chainlink-deployments-framework/chain/solana"
+	cldf "github.com/smartcontractkit/chainlink-deployments-framework/deployment"
+	cldfproposalutils "github.com/smartcontractkit/chainlink-deployments-framework/engine/cld/mcms/proposalutils"
+	mcmstypes "github.com/smartcontractkit/mcms/types"
+	"github.com/stretchr/testify/require"
+
+	timelockbindings "github.com/smartcontractkit/chainlink-ccip/chains/solana/gobindings/v0_1_1/timelock"
+)
+
+func TestGrantRoleTimelockSolana_VerifyPreconditions(t *testing.T) {
+	t.Parallel()
+
+	sel := chainselectors.TEST_22222222222222222222222222222222222222222222.Selector
+	missingSel := uint64(999991)
+	acct := solana.NewWallet().PublicKey()
+
+	tests := []struct {
+		name          string
+		env           func(t *testing.T) cldf.Environment
+		config        GrantRoleTimelockSolanaConfig
+		expectedError string
+	}{
+		{
+			name: "All preconditions satisfied",
+			env: func(t *testing.T) cldf.Environment {
+				t.Helper()
+				ab := cldf.NewMemoryAddressBook()
+				saveMCMSAddresses(t, ab, sel, true)
+
+				return testEnvironment(t, ab, cldf_chain.NewBlockChains(map[uint64]cldf_chain.BlockChain{
+					sel: cldf_solana.Chain{Selector: sel},
+				}))
+			},
+			config: GrantRoleTimelockSolanaConfig{
+				Accounts: map[uint64][]solana.PublicKey{sel: {acct}},
+				Role:     timelockbindings.Executor_Role,
+				MCMS:     &cldfproposalutils.TimelockConfig{MCMSAction: mcmstypes.TimelockActionSchedule},
+			},
+			expectedError: "",
+		},
+		{
+			name: "Nil MCMS allowed",
+			env: func(t *testing.T) cldf.Environment {
+				t.Helper()
+				ab := cldf.NewMemoryAddressBook()
+				saveMCMSAddresses(t, ab, sel, true)
+
+				return testEnvironment(t, ab, cldf_chain.NewBlockChains(map[uint64]cldf_chain.BlockChain{
+					sel: cldf_solana.Chain{Selector: sel},
+				}))
+			},
+			config: GrantRoleTimelockSolanaConfig{
+				Accounts: map[uint64][]solana.PublicKey{sel: {acct}},
+				Role:     timelockbindings.Bypasser_Role,
+				MCMS:     nil,
+			},
+			expectedError: "",
+		},
+		{
+			name: "No Solana chains in environment",
+			env: func(t *testing.T) cldf.Environment {
+				t.Helper()
+
+				return testEnvironment(t, cldf.NewMemoryAddressBook(), cldf_chain.NewBlockChains(nil))
+			},
+			config: GrantRoleTimelockSolanaConfig{
+				Accounts: map[uint64][]solana.PublicKey{sel: {acct}},
+				Role:     timelockbindings.Proposer_Role,
+			},
+			expectedError: "no solana chains provided",
+		},
+		{
+			name: "Chain selector not found in environment",
+			env: func(t *testing.T) cldf.Environment {
+				t.Helper()
+
+				return testEnvironment(t, cldf.NewMemoryAddressBook(), cldf_chain.NewBlockChains(map[uint64]cldf_chain.BlockChain{
+					sel: cldf_solana.Chain{Selector: sel},
+				}))
+			},
+			config: GrantRoleTimelockSolanaConfig{
+				Accounts: map[uint64][]solana.PublicKey{missingSel: {acct}},
+				Role:     timelockbindings.Proposer_Role,
+			},
+			expectedError: fmt.Sprintf("solana chain not found for selector %d", missingSel),
+		},
+		{
+			name: "Invalid MCMS action",
+			env: func(t *testing.T) cldf.Environment {
+				t.Helper()
+				ab := cldf.NewMemoryAddressBook()
+				saveMCMSAddresses(t, ab, sel, true)
+
+				return testEnvironment(t, ab, cldf_chain.NewBlockChains(map[uint64]cldf_chain.BlockChain{
+					sel: cldf_solana.Chain{Selector: sel},
+				}))
+			},
+			config: GrantRoleTimelockSolanaConfig{
+				Accounts: map[uint64][]solana.PublicKey{sel: {acct}},
+				Role:     timelockbindings.Proposer_Role,
+				MCMS: &cldfproposalutils.TimelockConfig{
+					MCMSAction: mcmstypes.TimelockAction("unsupported-action"),
+				},
+			},
+			expectedError: "invalid mcms action",
+		},
+		{
+			name: "Incomplete MCMS address fixture",
+			env: func(t *testing.T) cldf.Environment {
+				t.Helper()
+				ab := cldf.NewMemoryAddressBook()
+				saveMCMSAddresses(t, ab, sel, false)
+
+				return testEnvironment(t, ab, cldf_chain.NewBlockChains(map[uint64]cldf_chain.BlockChain{
+					sel: cldf_solana.Chain{Selector: sel},
+				}))
+			},
+			config: GrantRoleTimelockSolanaConfig{
+				Accounts: map[uint64][]solana.PublicKey{sel: {acct}},
+				Role:     timelockbindings.Proposer_Role,
+			},
+			expectedError: "timelock program not deployed for chain",
+		},
+	}
+
+	cs := GrantRoleTimelockSolana{}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			err := cs.VerifyPreconditions(tt.env(t), tt.config)
+			if tt.expectedError == "" {
+				require.NoError(t, err)
+			} else {
+				require.Error(t, err)
+				require.ErrorContains(t, err, tt.expectedError)
+			}
+		})
+	}
+}