test: add util tests

gradle/libs.versions.toml

@@ -35,6 +35,8 @@ androidx-test-ext = "1.3.0"
 timber = "5.0.1"
 kotlinx-serialization = "1.11.0"
 leakcanary = "2.14"
+mockk = "1.13.17"
+kotlin-test = "2.4.0"
 
 [libraries]
 androidx-biometric = { module = "androidx.biometric:biometric", version.ref = "biometric" }
@@ -74,6 +76,7 @@ protobuf-protoc              = { group = "com.google.protobuf",     name = "prot
 tink-android                 = { group = "com.google.crypto.tink",  name = "tink-android",                 version.ref = "tink" }
 androidx-ui = { group = "androidx.compose.ui", name = "ui", version.ref = "ui" }
 secp256k1-kmp-android = { group = "fr.acinq.secp256k1", name = "secp256k1-kmp-jni-android", version.ref = "secp256k1-kmp" }
+secp256k1-kmp-jvm = { group = "fr.acinq.secp256k1", name = "secp256k1-kmp-jni-jvm", version.ref = "secp256k1-kmp" }
 lyricist = { module = "cafe.adriel.lyricist:lyricist", version.ref = "lyricist" }
 lyricist-processor = { module = "cafe.adriel.lyricist:lyricist-processor", version.ref = "lyricist" }
 androidx-material3 = { group = "androidx.compose.material3", name = "material3", version.ref = "material3" }
@@ -87,6 +90,8 @@ timber = { group = "com.jakewharton.timber", name = "timber", version.ref = "tim
 kotlinx-serialization-json = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version.ref = "kotlinx-serialization" }
 converter-kotlinx-serialization = { module = "com.squareup.retrofit2:converter-kotlinx-serialization", version.ref = "retrofit" }
 leakcanary-android = { group = "com.squareup.leakcanary", name = "leakcanary-android", version.ref = "leakcanary" }
+kotlin-test = { group = "org.jetbrains.kotlin", name = "kotlin-test", version.ref = "kotlin-test" }
+mockk = { group = "io.mockk", name = "mockk", version = "1.14.11" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,9 +1,9 @@
-#Thu May 28 13:22:48 CEST 2026
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionSha256Sum=2ab2958f2a1e51120c326cad6f385153bb11ee93b3c216c5fccebfdfbb7ec6cb
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.4.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.5.0-bin.zip
 networkTimeout=10000
+retries=0
+retryBackOffMs=500
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists