#430: Add defaultTimeZoneTest that runs inside containers

Author: DmitryNekrasov

core/common/test/TimeZoneTest.kt

@@ -12,6 +12,13 @@ import kotlin.test.*
 
 class TimeZoneTest {
 
+    @Test
+    fun defaultTimeZoneTest() {
+        val tz = TimeZone.currentSystemDefault()
+        println("TIMEZONE: $tz")
+        assertEquals(TimeZone.of("Europe/Oslo"), tz)
+    }
+
     @Test
     fun utc() {
         val utc: FixedOffsetTimeZone = TimeZone.UTC

core/jvm/test/testcontainers/TimezoneTestContainer.kt

@@ -21,7 +21,11 @@ class TimezoneTestContainer(dockerfilePath: Path, binaryDir: String, imageName:
     }
 
     fun runTest(): ExecResult {
-        return execInContainer("bash", "-c", "chmod +x /app/test.kexe && /app/test.kexe")
+        return execInContainer(
+            "bash",
+            "-c",
+            "chmod +x /app/test.kexe && /app/test.kexe --ktest_filter=kotlinx.datetime.test.TimeZoneTest.defaultTimeZoneTest"
+        )
     }
 }