Fix tests

Relates to #KT-30622

idea/testData/quickfix/typeMismatch/casts/preferExclExcl.kt

@@ -1,4 +1,5 @@
 // "Cast expression 's' to 'String'" "false"
+// ACTION: Add 's =' to argument
 // ACTION: Add 'toString()' call
 // ACTION: Add non-null asserted (!!) call
 // ACTION: Change parameter 's' type of function 'bar' to 'String?'

idea/testData/quickfix/typeMismatch/paramTypeLambdaMismatchNull.kt

@@ -1,5 +1,6 @@
 // "Surround with lambda" "false"
 // ERROR: Null can not be a value of a non-null type () -> String
+// ACTION: Add 'block =' to argument
 // ACTION: Change parameter 'block' type of function 'str' to '(() -> String)?'
 // ACTION: Do not show hints for current method
 fun nullFn() {