Extract base test classes to separate module

testing/src/main/kotlin/gq/kirmanak/mealient/test/FakeLogger.kt

@@ -0,0 +1,34 @@
+package gq.kirmanak.mealient.test
+
+import gq.kirmanak.mealient.logging.Logger
+import gq.kirmanak.mealient.logging.MessageSupplier
+
+class FakeLogger : Logger {
+    override fun v(throwable: Throwable?, tag: String?, messageSupplier: MessageSupplier) {
+        print("V", throwable, messageSupplier)
+    }
+
+    override fun d(throwable: Throwable?, tag: String?, messageSupplier: MessageSupplier) {
+        print("D", throwable, messageSupplier)
+    }
+
+    override fun i(throwable: Throwable?, tag: String?, messageSupplier: MessageSupplier) {
+        print("I", throwable, messageSupplier)
+    }
+
+    override fun w(throwable: Throwable?, tag: String?, messageSupplier: MessageSupplier) {
+        print("W", throwable, messageSupplier)
+    }
+
+    override fun e(throwable: Throwable?, tag: String?, messageSupplier: MessageSupplier) {
+        print("E", throwable, messageSupplier)
+    }
+
+    private fun print(
+        level: String,
+        throwable: Throwable?,
+        messageSupplier: MessageSupplier,
+    ) {
+        println("$level ${messageSupplier()}. ${throwable?.stackTraceToString().orEmpty()}")
+    }
+}