[IR][tests] New test: non-abstract callable member in abstract class becomes abstract

^KT-53663

compiler/testData/klibABI/nonAbstractPropertyInAbstractClassBecomesAbstract/lib1/l1.kt.0

@@ -0,0 +1,10 @@
+package lib1
+
+abstract class A {
+    val foo1: Int = 42
+    val foo2: Int get() = 42
+    open val bar1: Int = 42
+    open val bar2: Int get() = 42
+    open val baz1: Int = 42
+    open val baz2: Int get() = 42
+}

compiler/testData/klibABI/nonAbstractPropertyInAbstractClassBecomesAbstract/lib1/l1.kt.1

@@ -0,0 +1,10 @@
+package lib1
+
+abstract class A {
+    abstract val foo1: Int
+    abstract val foo2: Int
+    abstract val bar1: Int
+    abstract val bar2: Int
+    abstract val baz1: Int
+    abstract val baz2: Int
+}

compiler/testData/klibABI/nonAbstractPropertyInAbstractClassBecomesAbstract/lib1/module.info

@@ -0,0 +1,12 @@
+STEP 0:
+    dependencies: stdlib
+    modifications:
+        U : l1.kt.0 -> l1.kt
+STEP 1:
+    dependencies: stdlib
+    modifications:
+        U : l1.kt.1 -> l1.kt
+STEP 2:
+    dependencies: stdlib
+    modifications:
+        U : l1.kt.0 -> l1.kt