Add tests for compilation against abi classes

plugins/jvm-abi-gen/testData/compile/topLevel/app/app.kt

@@ -0,0 +1,14 @@
+package app
+
+import lib.*
+
+fun runAppAndReturnOk(): String {
+    if (prop != 1) error("prop is '$prop', but is expected to be '1'")
+    val funcValue = func()
+    if (funcValue != 2) error("func() is '$funcValue', but is expected to be '2'")
+    val inlineFuncValue = inlineFunc()
+    if (inlineFuncValue != 3) error("inlineFunc() is '$inlineFuncValue', but is expected to be '3'")
+    if (constant != 4) error("constant is '$constant', but is expected to be '4'")
+
+    return "OK"
+}

plugins/jvm-abi-gen/testData/compile/topLevel/lib/utils.kt

@@ -0,0 +1,6 @@
+package lib
+
+val prop: Int = 1
+fun func(): Int = 2
+inline fun inlineFunc(): Int = 3
+const val constant: Int = 4