FIC: add codegen tests, adapt previously tests for SAMs

compiler/testData/codegen/box/funInterface/receiverEvaluatedOnce.kt

@@ -0,0 +1,24 @@
+// !LANGUAGE: +NewInference +FunctionInterfaceConversion +SamConversionPerArgument +SamConversionForKotlinFunctions
+
+// TARGET_BACKEND: JVM
+// WITH_RUNTIME
+
+fun interface KRunnable {
+    fun invoke()
+}
+
+fun runTwice(r: KRunnable) {
+    r.invoke()
+    r.invoke()
+}
+
+class A() {
+    fun f() {}
+}
+
+fun box(): String {
+    var x = 0
+    runTwice({ x++; A() }()::f)
+    if (x != 1) return "Fail"
+    return "OK"
+}