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

compiler/testData/diagnostics/tests/inference/kt30405.fir.kt

@@ -0,0 +1,16 @@
+// !WITH_NEW_INFERENCE
+// !LANGUAGE: +ExpectedTypeFromCast
+// !CHECK_TYPE
+// Issue: KT-30405
+
+inline fun <reified T> foo(): T {
+    TODO()
+}
+
+fun test() {
+    val fooCall = foo() as String // T in foo should be inferred to String
+    fooCall checkType { <!UNRESOLVED_REFERENCE!>_<!><String>() }
+
+    val safeFooCall = foo() as? String
+    safeFooCall checkType { <!UNRESOLVED_REFERENCE!>_<!><String?>() }
+}