#430: Add currentSystemDefaultTest

Author: DmitryNekrasov

core/common/test/TimeZoneTest.kt

@@ -32,6 +32,13 @@ class TimeZoneTest {
         // TODO: decide how to assert system tz properties
     }
 
+    @Test
+    fun currentSystemDefaultTest() {
+        val tz = TimeZone.currentSystemDefault()
+        println(tz)
+        assertNotEquals(TimeZone.UTC, tz)
+    }
+
     @Test
     fun available() {
         val allTzIds = TimeZone.availableZoneIds