KT-5044 implement missing Range#contains tests and move it to separate package

compiler/testData/codegen/box/ranges/contains/inIntRange.kt

@@ -0,0 +1,25 @@
+// WITH_RUNTIME
+
+fun box(): String {
+    for (x in 1..10) {
+        assert(x in 1..10)
+        assert(x + 10 !in 1..10)
+    }
+
+    var x = 0
+    assert(0 !in 1..2)
+
+    assert(++x in 1..1)
+    assert(++x !in 1..1)
+
+    assert(sideEffect(x) in 2..3)
+    return "OK"
+}
+
+
+var invocationCounter = 0
+fun sideEffect(x: Int): Int {
+    ++invocationCounter
+    assert(invocationCounter == 1)
+    return x
+}