fix: use alpha 9 types for tests

bdk-android/lib/build.gradle.kts

@@ -111,6 +111,9 @@ afterEvaluate {
     tasks.named("mergeReleaseJniLibFolders") {
         dependsOn(":lib:moveNativeAndroidLibs")
     }
+    tasks.named("mergeDebugJniLibFolders") {
+        dependsOn(":lib:moveNativeAndroidLibs")
+    }
 }
 
 signing {

bdk-android/lib/src/androidTest/kotlin/org/bitcoindevkit/LiveTxBuilderTest.kt

@@ -33,7 +33,7 @@ class LiveTxBuilderTest {
         assert(wallet.getBalance().total > 0uL)
 
         val recipient: Address = Address("tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", Network.TESTNET)
-        val psbt: PartiallySignedTransaction = TxBuilder()
+        val psbt: Psbt = TxBuilder()
             .addRecipient(recipient.scriptPubkey(), 4200uL)
             .feeRate(FeeRate.fromSatPerVb(2uL))
             .finish(wallet)
@@ -61,7 +61,7 @@ class LiveTxBuilderTest {
             ScriptAmount(recipient2.scriptPubkey(), 4200uL),
         )
 
-        val psbt: PartiallySignedTransaction = TxBuilder()
+        val psbt: Psbt = TxBuilder()
             .setRecipients(allRecipients)
             .feeRate(FeeRate.fromSatPerVb(4uL))
             .changePolicy(ChangeSpendPolicy.CHANGE_FORBIDDEN)

bdk-android/lib/src/androidTest/kotlin/org/bitcoindevkit/LiveWalletTest.kt

@@ -61,9 +61,9 @@ class LiveWalletTest {
 
         val recipient: Address = Address("tb1qrnfslnrve9uncz9pzpvf83k3ukz22ljgees989", Network.TESTNET)
 
-        val psbt: PartiallySignedTransaction = TxBuilder()
+        val psbt: Psbt = TxBuilder()
             .addRecipient(recipient.scriptPubkey(), 4200uL)
-            .feeRate(FeeRate.fromSatPerVb(4.0f))
+            .feeRate(FeeRate.fromSatPerVb(4uL))
             .finish(wallet)
 
         println(psbt.serialize())