refactorign added more tests

src/test/java/home/automation/modbus/RepositoryInMemory.java

@@ -0,0 +1,31 @@
+package home.automation.modbus;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Random;
+import java.util.stream.Collectors;
+
+public class RepositoryInMemory implements Repository {
+    private final List<Integer> DEFINED_REGISTRY_FOR_TEST =
+            Arrays.asList(4065, 4070, 4071, 4072, 4067, 4202, 4069, 4203, 4066, 4201, 4199);
+
+    @Override
+    public List<Registry> getAll() {
+        return DEFINED_REGISTRY_FOR_TEST.stream()
+                .map(this::generateRandomResponse)
+                .collect(Collectors.toList());
+    }
+
+    @Override
+    public Registry get(int register) {
+        return generateRandomResponse(register);
+    }
+
+    private Registry generateRandomResponse(int registry) {
+        final Random random = new Random();
+        return Registry.builder()
+                .registry(registry)
+                .value(Double.toString(random.nextDouble()))
+                .desc("TEST").build();
+    }
+}