Add ir interpreter tests

compiler/testData/ir/interpreter/collections/sequenceOf.kt

@@ -0,0 +1,6 @@
+import kotlin.sequences.*
+
+const val a = sequenceOf(1, 2, 3).iterator().<!EVALUATED: `1`!>next()<!>
+const val b = sequenceOf(2, 3).iterator().<!EVALUATED: `2`!>next()<!>
+const val c = sequenceOf<Int>().iterator().<!EVALUATED: `false`!>hasNext()<!>
+const val d = generateSequence() { 42 }.iterator().<!EVALUATED: `42`!>next()<!>