FIR: Update test data (repeated diagnostics)

They are a bit redundant, but it needs additional work to be done
to avoid them

compiler/testData/diagnostics/tests/inference/constraints/constraintOnFunctionLiteral.fir.kt

@@ -3,10 +3,9 @@ package c
 
 import java.util.ArrayList
 
-fun Array<Int>.toIntArray(): IntArray = this.mapTo(<!ARGUMENT_TYPE_MISMATCH!>IntArray(size)<!>, {it})
+fun Array<Int>.toIntArray(): IntArray = <!RETURN_TYPE_MISMATCH!>this.mapTo(<!ARGUMENT_TYPE_MISMATCH!>IntArray(size)<!>, {it})<!>
 
 fun Array<Int>.toArrayList(): ArrayList<Int> = this.mapTo(ArrayList<Int>(size), {it})
 
 public fun <T, R, C: MutableCollection<in R>> Array<out T>.mapTo(result: C, transform : (T) -> R) : C =
         throw Exception("$result $transform")
-

compiler/testData/diagnostics/tests/inference/constraints/kt6320.fir.kt

@@ -16,6 +16,6 @@ class C<X, Z, Y : X>
 
 class D<X, Z, Y : X>(foo: C<X, Z, Y>) {
     fun test(a: C<Y, Y, Y>) {
-        val d: D<X, Y, Y> = <!INITIALIZER_TYPE_MISMATCH!>D(a)<!>
+        val d: D<X, Y, Y> = <!INITIALIZER_TYPE_MISMATCH, TYPE_MISMATCH!>D(a)<!>
     }
 }