Move test for NI to diagnostic tests and add "todo"

compiler/testData/diagnostics/tests/inference/fixationOrderForProperConstraints.kt

@@ -0,0 +1,5 @@
+fun <X, Y, Z> foo(f: (Y) -> Z, g: (X) -> Y, x: X): Z = f(g(x))
+
+// TODO: Actually, this is a bug and will work when new inference is enabled
+// see ([NI] Select variable with proper non-trivial constraint first) for more details
+fun test() = <!TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>foo<!>({ it + 1 }, { it.length }, "")

compiler/testData/diagnostics/tests/inference/fixationOrderForProperConstraints.txt

@@ -0,0 +1,4 @@
+package
+
+public fun </*0*/ X, /*1*/ Y, /*2*/ Z> foo(/*0*/ f: (Y) -> Z, /*1*/ g: (X) -> Y, /*2*/ x: X): Z
+public fun test(): [ERROR : Error function type]

compiler/testData/diagnostics/tests/inference/lambdaInValInitializerWithAnonymousFunctions.kt

@@ -0,0 +1,9 @@
+typealias SuspendFn = suspend () -> Unit
+
+val test1f: suspend () -> Unit = fun () {}
+val test2f: suspend Any.() -> Unit = fun Any.() {}
+
+// This is a bug in the old inference and should be fixed in new inference
+// see "Fix anonymous function literals handling in type checker" for more deatils
+val test3f: suspend Any.(Int) -> Int = <!TYPE_MISMATCH!>fun (k: Int) = k + 1<!>
+val test4f: SuspendFn = <!TYPE_MISMATCH!>fun Any.() {}<!>

compiler/testData/diagnostics/tests/inference/lambdaInValInitializerWithAnonymousFunctions.txt

@@ -0,0 +1,7 @@
+package
+
+public val test1f: suspend () -> kotlin.Unit
+public val test2f: suspend kotlin.Any.() -> kotlin.Unit
+public val test3f: suspend kotlin.Any.(kotlin.Int) -> kotlin.Int
+public val test4f: SuspendFn /* = suspend () -> kotlin.Unit */
+public typealias SuspendFn = suspend () -> kotlin.Unit