[Test] Disable UNUSED_* diagnostics in tests which are not belong to contolFlowAnalysis suite

compiler/testData/diagnostics/tests/labels/labelsMustBeNamed.kt

@@ -14,7 +14,7 @@ fun foo(a: Any?): Int {
 
     var <!ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE!>b<!> = 1
 
-    <!UNUSED_VALUE!>(<!SYNTAX!>@<!> b) =<!> 2
+    (<!SYNTAX!>@<!> b) = 2
 
     return<!SYNTAX!>@<!> 1
 }
@@ -33,4 +33,4 @@ class B : A() {
 fun bar(f: () -> Unit) = f
 fun test() {
     bar <!SYNTAX!>@<!>{}
-}
+}