Add new tests

compiler/testData/codegen/bytecodeText/jvm8/jvmDefault/allCompatibility/simpleFunction.kt

@@ -0,0 +1,18 @@
+// !JVM_DEFAULT_MODE: all-compatibility
+// JVM_TARGET: 1.8
+
+interface KInterface  {
+    fun test2(): String {
+        return "OK"
+    }
+}
+
+interface KInterface2 : KInterface  {
+
+}
+
+// 1 INVOKESTATIC KInterface2.access\$test2\$jd
+// 1 INVOKESTATIC KInterface.access\$test2\$jd
+
+// 1 INVOKESPECIAL KInterface2.test2
+// 1 INVOKESPECIAL KInterface.test2