[Test] Add ability to specify applicability of diagnostic to module or file

compiler/testData/diagnostics/tests/inference/capturedTypes/capturedFlexibleIntersectionTypesWithDifferentBounds.fir.kt

@@ -1,6 +1,6 @@
-// FILE: Bar.java
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 // SKIP_TXT
+// FILE: Bar.java
 
 public class Bar<K, N> { }
 

compiler/testData/diagnostics/tests/inference/capturedTypes/capturedFlexibleIntersectionTypesWithDifferentBounds.kt

@@ -1,6 +1,6 @@
-// FILE: Bar.java
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 // SKIP_TXT
+// FILE: Bar.java
 
 public class Bar<K, N> { }