[Test] Migrate tests for java 9 to regular test infrastructure

compiler/testData/codegen/box/testsWithJava9/concatDynamicInlineClasses.kt

@@ -0,0 +1,27 @@
+// STRING_CONCAT: indy-with-constants
+// JVM_TARGET: 9
+inline class Str(val s: String)
+inline class NStr(val s: String?)
+
+fun testStr(s: Str?) = "1$s$s"
+fun testNStr(ns: NStr?) = "2$ns$ns"
+
+fun box(): String {
+
+    val test1 = testStr(Str("0"))
+    if (test1 != "1Str(s=0)Str(s=0)") return "fail 1: $test1"
+
+    val test2 = testStr(null)
+    if (test2 != "1nullnull") return "fail 2: $test2"
+
+    val test3 = testNStr(NStr(null))
+    if (test3 != "2NStr(s=null)NStr(s=null)") return "fail 3: $test3"
+
+    val test4 = testNStr(NStr("0"))
+    if (test4 != "2NStr(s=0)NStr(s=0)") return "fail 4: $test4"
+
+    val test5 = testNStr(null)
+    if (test5 != "2nullnull") return "fail 5: $test5"
+
+    return "OK"
+}