FIR: Mark a pack of tests (53) as FIR_IDENTICAL

compiler/testData/diagnostics/tests/substitutions/upperBoundsSubstitutionForOverloadResolutionWithAmbiguity.fir.kt

@@ -1,18 +0,0 @@
-// FILE: foo.kt
-package foo
-
-fun <T> f(l: List<T>) {}
-
-// FILE: bar.kt
-package bar
-
-fun <T> f(l: List<T>) {}
-
-// FILE: main.kt
-
-import foo.*
-import bar.*
-
-fun <T> test(l: List<T>) {
-    <!OVERLOAD_RESOLUTION_AMBIGUITY!>f<!>(l)
-}

compiler/testData/diagnostics/tests/substitutions/upperBoundsSubstitutionForOverloadResolutionWithAmbiguity.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // FILE: foo.kt
 package foo