[FIR-TEST] Add new testdata generated after changes in previous commit

compiler/testData/diagnostics/testsWithStdLib/annotations/JvmSyntheticOnDelegate.fir.kt

@@ -0,0 +1,10 @@
+// !DIAGNOSTICS: -UNUSED_ANONYMOUS_PARAMETER
+import kotlin.properties.Delegates
+
+class My {
+    @delegate:JvmSynthetic val s: String by lazy { "s" }
+
+    // Both Ok
+    @get:JvmSynthetic val t: String by lazy { "t" }
+    @set:JvmSynthetic var z: String by Delegates.observable("?") { prop, old, new -> old.hashCode() }
+}