Merge boxWithStdlib testData into box, delete BoxWithStdlib test

compiler/testData/codegen/box/synchronized/finally.kt

@@ -0,0 +1,30 @@
+// WITH_RUNTIME
+// FULL_JDK
+
+fun box(): String {
+    val obj = "" as java.lang.Object
+
+    val e = IllegalArgumentException()
+    try {
+        synchronized (obj) {
+            throw e
+        }
+    }
+    catch (caught: Throwable) {
+        if (caught !== e) return "Fail: $caught"
+        // If monitorexit didn't happen (a finally block failed), this assertion would fail
+        assertThatThreadDoesNotOwnMonitor(obj)
+    }
+
+    return "OK"
+}
+
+fun assertThatThreadDoesNotOwnMonitor(obj: java.lang.Object) {
+    try {
+        obj.wait(1)
+        throw IllegalStateException("Not owning a monitor!")
+    }
+    catch (e: IllegalMonitorStateException) {
+        // OK
+    }
+}