diff --git a/e2e-tests/tests/reserve/conftest.py b/e2e-tests/tests/reserve/conftest.py
index 20a50621d3..c199aef0ae 100644
--- a/e2e-tests/tests/reserve/conftest.py
+++ b/e2e-tests/tests/reserve/conftest.py
@@ -31,8 +31,19 @@ def payment_key(config: ApiConfig, governance_skey_with_cli):
 
 
 @fixture(scope="session")
-def cardano_payment_key(config: ApiConfig, api: BlockchainApi, write_file):
-    payment_key_path = config.nodes_config.governance_authority.mainchain_key
+def governance_skey_with_cardano_cli(config: ApiConfig, api: BlockchainApi, write_file):
+    """
+    Securely copy the governance authority's init skey (a secret key used by the smart-contracts to authorize admin
+    operations) to a temporary file on the remote machine.
+    The temporary file is deleted after the test completes.
+
+    The skey is copied to a remote host only if both conditions are met:
+    - you call this fixture in test or other fixture
+    - tools.cardano_cli.runner.copy_secrets is set to true in the config file `<env>_stack.json`
+
+    WARNING: This fixture copies secret file to a remote host and should be used with caution.
+    """
+    payment_key_path = config.nodes_config.governance_authority.mainchain_key_local_path
     if api.cardano_cli.run_command.copy_secrets:
         with open(payment_key_path, "r") as f:
             content = json.load(f)
@@ -91,7 +102,7 @@ def mint_token(
     transaction_input: str,
     minting_policy_filepath,
     api: BlockchainApi,
-    cardano_payment_key,
+    governance_skey_with_cardano_cli,
 ):
     lovelace_amount = MIN_LOVELACE_FOR_TX - MIN_LOVELACE_TO_COVER_FEES
 
@@ -106,7 +117,9 @@ def _mint_token(amount: int):
             policy_script_filepath=minting_policy_filepath,
         )
 
-        signed_tx_filepath = api.cardano_cli.sign_transaction(tx_filepath=tx_filepath, signing_key=cardano_payment_key)
+        signed_tx_filepath = api.cardano_cli.sign_transaction(
+            tx_filepath=tx_filepath, signing_key=governance_skey_with_cardano_cli
+        )
 
         result = api.cardano_cli.submit_transaction(signed_tx_filepath)
         return result
@@ -180,7 +193,9 @@ def _transaction_input():
 
 
 @fixture(scope="package")
-def attach_v_function_to_utxo(transaction_input, governance_address, cardano_payment_key, api: BlockchainApi):
+def attach_v_function_to_utxo(
+    transaction_input, governance_address, governance_skey_with_cardano_cli, api: BlockchainApi
+):
     def _attach_v_function_to_utxo(address, filepath):
         logging.info(f"Attaching V-function to {address}...")
         lovelace_amount = MIN_LOVELACE_FOR_TX - MIN_LOVELACE_TO_COVER_FEES
@@ -193,7 +208,7 @@ def _attach_v_function_to_utxo(address, filepath):
         )
 
         signed_tx_filepath = api.cardano_cli.sign_transaction(
-            tx_filepath=raw_tx_filepath, signing_key=cardano_payment_key
+            tx_filepath=raw_tx_filepath, signing_key=governance_skey_with_cardano_cli
         )
 
         result = api.cardano_cli.submit_transaction(signed_tx_filepath)
diff --git a/e2e-tests/tests/reserve/test_main_chain_setup.py b/e2e-tests/tests/reserve/test_main_chain_setup.py
index 063310ffd9..d0c042741e 100644
--- a/e2e-tests/tests/reserve/test_main_chain_setup.py
+++ b/e2e-tests/tests/reserve/test_main_chain_setup.py
@@ -15,9 +15,9 @@ def test_mint_tokens_for_reserve(
     api: BlockchainApi, governance_address: str, reserve_asset_id, mint_token, wait_until, config: ApiConfig
 ):
     initial_balance = api.get_mc_balance(governance_address, reserve_asset_id)
-    tokens_to_mint = 1000
+    tokens_to_mint = 2000
     result = mint_token(tokens_to_mint)
-    assert "Transaction successfully submitted" in result
+    assert "Transaction successfully submitted" in result.stderr
     assert wait_until(
         lambda: api.get_mc_balance(governance_address, reserve_asset_id) == initial_balance + tokens_to_mint,
         timeout=config.timeouts.main_chain_tx,
diff --git a/e2e-tests/tests/reserve/test_reserve_management.py b/e2e-tests/tests/reserve/test_reserve_management.py
index f75b33a608..8572cbf558 100644
--- a/e2e-tests/tests/reserve/test_reserve_management.py
+++ b/e2e-tests/tests/reserve/test_reserve_management.py
@@ -152,7 +152,7 @@ def native_token_balance(self, api: BlockchainApi, governance_address, reserve_a
     def amount_to_deposit(self, reserve_initial_balance):
         return random.randint(1, min(reserve_initial_balance, 100))
 
-    @fixture(scope="class", autouse=True)
+    @fixture(scope="class")
     def deposit_funds(self, native_token_balance, amount_to_deposit, api: BlockchainApi, genesis_utxo, payment_key):
         response = api.partner_chains_node.smart_contracts.reserve.deposit(
             genesis_utxo,
@@ -161,13 +161,16 @@ def deposit_funds(self, native_token_balance, amount_to_deposit, api: Blockchain
         )
         return response
 
+    def test_enough_tokens_to_deposit_to_reserve(self, native_token_balance, amount_to_deposit):
+        assert native_token_balance >= amount_to_deposit
+
     def test_deposit_funds(self, deposit_funds):
         response = deposit_funds
         assert response.returncode == 0
         assert response.json
 
     def test_reserve_balance_after_deposit(
-        self, reserve_initial_balance, amount_to_deposit, api: BlockchainApi, reserve_asset_id, addresses
+        self, reserve_initial_balance, amount_to_deposit, deposit_funds, api: BlockchainApi, reserve_asset_id, addresses
     ):
         reserve_balance = api.get_mc_balance(addresses["ReserveValidator"], reserve_asset_id)
         assert reserve_initial_balance + amount_to_deposit == reserve_balance
@@ -176,6 +179,7 @@ def test_native_token_balance_after_deposit(
         self,
         native_token_balance,
         amount_to_deposit,
+        deposit_funds,
         api: BlockchainApi,
         reserve_asset_id,
         governance_address,