tests: Copy stdlib tests from Kotlin/JVM

This patch copies Kotlin/JVM stdlib tests (libraries/stdlib/test)
excepting ones with explicit java dependencies. It also transforms
the tests to use them as box-tests.

backend.native/tests/external/stdlib/collections/SequenceTest/makeSequenceOneTimeConstrained.kt

@@ -0,0 +1,18 @@
+import kotlin.test.*
+
+import kotlin.comparisons.*
+
+fun box() {
+    val sequence = sequenceOf(1, 2, 3, 4)
+    sequence.toList()
+    sequence.toList()
+
+    val oneTime = sequence.constrainOnce()
+    oneTime.toList()
+    assertTrue("should fail with IllegalStateException") {
+        assertFails {
+            oneTime.toList()
+        } is IllegalStateException
+    }
+
+}