Add separate diagnostic renderer results for tests with NI

compiler/testData/diagnostics/tests/functionLiterals/return/LocalReturnUnitAndDontCareType.kt

@@ -1,4 +1,5 @@
 // !WITH_NEW_INFERENCE
+// NI_EXPECTED_FILE
 val flag = true
 
 // type of a was checked by txt

compiler/testData/diagnostics/tests/functionLiterals/return/LocalReturnUnitAndDontCareType.ni.txt

@@ -0,0 +1,6 @@
+package
+
+public val a: kotlin.Unit
+public val b: kotlin.Unit
+public val c: kotlin.Any
+public val flag: kotlin.Boolean = true

compiler/testData/diagnostics/tests/functionLiterals/return/SmartCast.kt

@@ -1,4 +1,5 @@
 // !WITH_NEW_INFERENCE
+// NI_EXPECTED_FILE
 // KT-6822 Smart cast doesn't work inside local returned expression in lambda 
 
 val a /* :(Int?) -> Int? */ = l@ { it: Int? -> // but must be (Int?) -> Int

compiler/testData/diagnostics/tests/functionLiterals/return/SmartCast.ni.txt

@@ -0,0 +1,6 @@
+package
+
+public val a: (kotlin.Int?) -> kotlin.Int?
+public val b: kotlin.Int
+public val c: kotlin.Int
+public fun </*0*/ R> let(/*0*/ f: (kotlin.Int?) -> R): R