Add ir interpreter tests

compiler/testData/ir/interpreter/interfaceDefault.kt

@@ -0,0 +1,30 @@
+@CompileTimeCalculation
+interface A {
+    fun getInt(): Int
+
+    fun getStr(): String = "Number is ${getInt()}"
+}
+
+@CompileTimeCalculation
+class B(val b: Int) : A {
+    override fun getInt(): Int = b
+
+    fun getStrFromB() = "B " + super.getStr()
+}
+
+const val str1 = B(5).<!EVALUATED: `Number is 5`!>getStr()<!>
+const val str2 = B(5).<!EVALUATED: `B Number is 5`!>getStrFromB()<!>
+
+@CompileTimeCalculation
+interface C {
+    val num: Int
+    fun getInt() = num
+}
+
+@CompileTimeCalculation
+class D(override val num: Int) : C {
+    fun getStr() = "D num = " + super.getInt()
+}
+
+const val num1 = D(10).<!EVALUATED: `10`!>getInt()<!>
+const val num2 = D(10).<!EVALUATED: `D num = 10`!>getStr()<!>