diff --git a/bdk-android/lib/src/androidTest/kotlin/org/bitcoindevkit/LiveTxBuilderTest.kt b/bdk-android/lib/src/androidTest/kotlin/org/bitcoindevkit/LiveTxBuilderTest.kt
index f4a4bf7..6f71888 100644
--- a/bdk-android/lib/src/androidTest/kotlin/org/bitcoindevkit/LiveTxBuilderTest.kt
+++ b/bdk-android/lib/src/androidTest/kotlin/org/bitcoindevkit/LiveTxBuilderTest.kt
@@ -35,7 +35,9 @@ class LiveTxBuilderTest {
         wallet.commit()
         println("Balance: ${wallet.getBalance().total}")
 
-        assert(wallet.getBalance().total > 0uL)
+        assert(wallet.getBalance().total > 0uL) {
+            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address.asString()} and try again."
+        }
 
         val recipient: Address = Address("tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", Network.SIGNET)
         val psbt: Psbt = TxBuilder()
@@ -59,7 +61,9 @@ class LiveTxBuilderTest {
         wallet.commit()
         println("Balance: ${wallet.getBalance().total}")
 
-        assert(wallet.getBalance().total > 0uL)
+        assert(wallet.getBalance().total > 0uL) {
+            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address.asString()} and try again."
+        }
 
         val recipient1: Address = Address("tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", Network.SIGNET)
         val recipient2: Address = Address("tb1qw2c3lxufxqe2x9s4rdzh65tpf4d7fssjgh8nv6", Network.SIGNET)
diff --git a/bdk-android/lib/src/androidTest/kotlin/org/bitcoindevkit/LiveWalletTest.kt b/bdk-android/lib/src/androidTest/kotlin/org/bitcoindevkit/LiveWalletTest.kt
index 13544d9..a30663d 100644
--- a/bdk-android/lib/src/androidTest/kotlin/org/bitcoindevkit/LiveWalletTest.kt
+++ b/bdk-android/lib/src/androidTest/kotlin/org/bitcoindevkit/LiveWalletTest.kt
@@ -37,7 +37,9 @@ class LiveWalletTest {
         val balance: Balance = wallet.getBalance()
         println("Balance: $balance")
 
-        assert(wallet.getBalance().total > 0uL)
+        assert(wallet.getBalance().total > 0uL) {
+            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address.asString()} and try again."
+        }
 
         println("Transactions count: ${wallet.transactions().count()}")
         val transactions = wallet.transactions().take(3)
@@ -59,7 +61,6 @@ class LiveWalletTest {
         wallet.applyUpdate(update)
         wallet.commit()
         println("Balance: ${wallet.getBalance().total}")
-        println("New address: ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address}")
 
         assert(wallet.getBalance().total > 0uL) {
             "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address} and try again."
@@ -82,7 +83,7 @@ class LiveWalletTest {
         println("Txid is: ${tx.txid()}")
 
         val txFee: ULong = wallet.calculateFee(tx)
-        println("Tx fee is: ${txFee}")
+        println("Tx fee is: $txFee")
 
         val feeRate: FeeRate = wallet.calculateFeeRate(tx)
         println("Tx fee rate is: ${feeRate.toSatPerVbCeil()} sat/vB")
diff --git a/bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/LiveTxBuilderTest.kt b/bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/LiveTxBuilderTest.kt
index f371136..ae89b82 100644
--- a/bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/LiveTxBuilderTest.kt
+++ b/bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/LiveTxBuilderTest.kt
@@ -33,7 +33,9 @@ class LiveTxBuilderTest {
         wallet.commit()
         println("Balance: ${wallet.getBalance().total}")
 
-        assert(wallet.getBalance().total > 0uL)
+        assert(wallet.getBalance().total > 0uL) {
+            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address.asString()} and try again."
+        }
 
         val recipient: Address = Address("tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", Network.SIGNET)
         val psbt: Psbt = TxBuilder()
@@ -58,7 +60,9 @@ class LiveTxBuilderTest {
         wallet.commit()
         println("Balance: ${wallet.getBalance().total}")
 
-        assert(wallet.getBalance().total > 0uL)
+        assert(wallet.getBalance().total > 0uL) {
+            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address.asString()} and try again."
+        }
 
         val recipient1: Address = Address("tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", Network.SIGNET)
         val recipient2: Address = Address("tb1qw2c3lxufxqe2x9s4rdzh65tpf4d7fssjgh8nv6", Network.SIGNET)
diff --git a/bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/LiveWalletTest.kt b/bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/LiveWalletTest.kt
index bbaa386..d68e7e6 100644
--- a/bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/LiveWalletTest.kt
+++ b/bdk-jvm/lib/src/test/kotlin/org/bitcoindevkit/LiveWalletTest.kt
@@ -33,7 +33,9 @@ class LiveWalletTest {
         wallet.commit()
         println("Balance: ${wallet.getBalance().total}")
 
-        assert(wallet.getBalance().total > 0uL)
+        assert(wallet.getBalance().total > 0uL) {
+            "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address.asString()} and try again."
+        }
 
         println("Transactions count: ${wallet.transactions().count()}")
         val transactions = wallet.transactions().take(3)
@@ -55,7 +57,6 @@ class LiveWalletTest {
         wallet.applyUpdate(update)
         wallet.commit()
         println("Balance: ${wallet.getBalance().total}")
-        println("New address: ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address.asString()}")
 
         assert(wallet.getBalance().total > 0uL) {
             "Wallet balance must be greater than 0! Please send funds to ${wallet.revealNextAddress(KeychainKind.EXTERNAL).address.asString()} and try again."
diff --git a/bdk-python/tests/test_live_tx_builder.py b/bdk-python/tests/test_live_tx_builder.py
index c707517..221d40e 100644
--- a/bdk-python/tests/test_live_tx_builder.py
+++ b/bdk-python/tests/test_live_tx_builder.py
@@ -32,7 +32,11 @@ class LiveTxBuilderTest(unittest.TestCase):
         wallet.apply_update(update)
         wallet.commit()
         
-        self.assertGreater(wallet.get_balance().total, 0)
+        self.assertGreater(
+            wallet.get_balance().total,
+            0,
+            f"Wallet balance must be greater than 0! Please send funds to {wallet.reveal_next_address(bdk.KeychainKind.EXTERNAL).address.as_string()} and try again."
+        )
         
         recipient = bdk.Address(
             address="tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989",
@@ -68,7 +72,11 @@ class LiveTxBuilderTest(unittest.TestCase):
         wallet.apply_update(update)
         wallet.commit()
         
-        self.assertGreater(wallet.get_balance().total, 0)
+        self.assertGreater(
+            wallet.get_balance().total, 
+            0,
+            f"Wallet balance must be greater than 0! Please send funds to {wallet.reveal_next_address(bdk.KeychainKind.EXTERNAL).address.as_string()} and try again."
+        )
         
         recipient1 = bdk.Address(
             address="tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989",
diff --git a/bdk-python/tests/test_live_wallet.py b/bdk-python/tests/test_live_wallet.py
index 0001595..f37bd7c 100644
--- a/bdk-python/tests/test_live_wallet.py
+++ b/bdk-python/tests/test_live_wallet.py
@@ -32,7 +32,11 @@ class LiveWalletTest(unittest.TestCase):
         wallet.apply_update(update)
         wallet.commit()
         
-        self.assertGreater(wallet.get_balance().total, 0)
+        self.assertGreater(
+            wallet.get_balance().total,    
+            0,
+            f"Wallet balance must be greater than 0! Please send funds to {wallet.reveal_next_address(bdk.KeychainKind.EXTERNAL).address.as_string()} and try again."
+        )
         
         print(f"Transactions count: {len(wallet.transactions())}")
         transactions = wallet.transactions()[:3]
@@ -64,7 +68,11 @@ class LiveWalletTest(unittest.TestCase):
         wallet.apply_update(update)
         wallet.commit()
         
-        self.assertGreater(wallet.get_balance().total, 0)
+        self.assertGreater(
+            wallet.get_balance().total, 
+            0,
+            f"Wallet balance must be greater than 0! Please send funds to {wallet.reveal_next_address(bdk.KeychainKind.EXTERNAL).address.as_string()} and try again."
+        )
         
         recipient = bdk.Address(
             address="tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989",
diff --git a/bdk-swift/Tests/BitcoinDevKitTests/LiveTxBuilderTests.swift b/bdk-swift/Tests/BitcoinDevKitTests/LiveTxBuilderTests.swift
index a514049..466b99c 100644
--- a/bdk-swift/Tests/BitcoinDevKitTests/LiveTxBuilderTests.swift
+++ b/bdk-swift/Tests/BitcoinDevKitTests/LiveTxBuilderTests.swift
@@ -1,8 +1,8 @@
 import XCTest
 @testable import BitcoinDevKit
 
-let SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
-let TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
+private let SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
+private let TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
 
 final class LiveTxBuilderTests: XCTestCase {
     var dbFilePath: URL!
@@ -45,9 +45,14 @@ final class LiveTxBuilderTests: XCTestCase {
             parallelRequests: 1
         )
         try wallet.applyUpdate(update: update)
-        try wallet.commit()
+        let _ = try wallet.commit()
+        let address = try wallet.revealNextAddress(keychain: KeychainKind.external).address.asString()
 
-        XCTAssertGreaterThan(wallet.getBalance().total, UInt64(0), "Wallet must have positive balance, please add funds")
+        XCTAssertGreaterThan(
+            wallet.getBalance().total,
+            UInt64(0),
+            "Wallet must have positive balance, please send funds to \(address)"
+        )
 
         let recipient: Address = try Address(address: "tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", network: .signet)
         let psbt: Psbt = try TxBuilder()
@@ -82,9 +87,14 @@ final class LiveTxBuilderTests: XCTestCase {
             parallelRequests: 1
         )
         try wallet.applyUpdate(update: update)
-        try wallet.commit()
-        
-        XCTAssertGreaterThan(wallet.getBalance().total, UInt64(0), "Wallet must have positive balance, please add funds")
+        let _ = try wallet.commit()
+        let address = try wallet.revealNextAddress(keychain: KeychainKind.external).address.asString()
+
+        XCTAssertGreaterThan(
+            wallet.getBalance().total,
+            UInt64(0),
+            "Wallet must have positive balance, please send funds to \(address)"
+        )
 
         let recipient1: Address = try Address(address: "tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", network: .signet)
         let recipient2: Address = try Address(address: "tb1qw2c3lxufxqe2x9s4rdzh65tpf4d7fssjgh8nv6", network: .signet)
@@ -100,7 +110,7 @@ final class LiveTxBuilderTests: XCTestCase {
             .enableRbf()
             .finish(wallet: wallet)
 
-        try! wallet.sign(psbt: psbt)
+        let _ = try! wallet.sign(psbt: psbt)
 
         XCTAssertTrue(psbt.serialize().hasPrefix("cHNi"), "PSBT should start with cHNI")
     }
diff --git a/bdk-swift/Tests/BitcoinDevKitTests/LiveWalletTests.swift b/bdk-swift/Tests/BitcoinDevKitTests/LiveWalletTests.swift
index d908d3f..0b7d702 100644
--- a/bdk-swift/Tests/BitcoinDevKitTests/LiveWalletTests.swift
+++ b/bdk-swift/Tests/BitcoinDevKitTests/LiveWalletTests.swift
@@ -1,8 +1,8 @@
 import XCTest
 @testable import BitcoinDevKit
 
-let SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
-let TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
+private let SIGNET_ESPLORA_URL = "http://signet.bitcoindevkit.net"
+private let TESTNET_ESPLORA_URL = "https://esplora.testnet.kuutamo.cloud"
 
 final class LiveWalletTests: XCTestCase {
     var dbFilePath: URL!
@@ -45,9 +45,14 @@ final class LiveWalletTests: XCTestCase {
             parallelRequests: 1
         )
         try wallet.applyUpdate(update: update)
-        try wallet.commit()
+        let _ = try wallet.commit()
+        let address = try wallet.revealNextAddress(keychain: KeychainKind.external).address.asString()
 
-        XCTAssertGreaterThan(wallet.getBalance().total, UInt64(0))
+        XCTAssertGreaterThan(
+            wallet.getBalance().total,
+            UInt64(0),
+            "Wallet must have positive balance, please send funds to \(address)"
+        )
 
         print("Transactions count: \(wallet.transactions().count)")
         let transactions = wallet.transactions().prefix(3)
@@ -78,9 +83,15 @@ final class LiveWalletTests: XCTestCase {
             parallelRequests: 1
         )
         try wallet.applyUpdate(update: update)
-        try wallet.commit()
-
-        XCTAssertGreaterThan(wallet.getBalance().total, UInt64(0), "Wallet must have positive balance, please add funds")
+        let _ = try wallet.commit()
+        let address = try wallet.revealNextAddress(keychain: KeychainKind.external).address.asString()
+        
+        XCTAssertGreaterThan(
+            wallet.getBalance().total,
+            UInt64(0),
+            "Wallet must have positive balance, please send funds to \(address)"
+        )
+        
 
         print("Balance: \(wallet.getBalance().total)")