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

compiler/testData/diagnostics/tests/generics/kt30590.fir.kt

@@ -0,0 +1,9 @@
+// !WITH_NEW_INFERENCE
+// !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_VARIABLE
+// NI_EXPECTED_FILE
+
+interface A
+fun <T: A, R: T> emptyStrangeMap(): Map<T, R> = TODO()
+fun test7() : Map<A, A> = emptyStrangeMap()
+
+fun test() = emptyStrangeMap()