Update test data for various tests

Due to slight semantic changes after class object refactor

compiler/testData/diagnostics/tests/FunctionReturnTypes.kt

@@ -193,7 +193,7 @@ fun testFunctionLiterals() {
     val <!UNUSED_VARIABLE!>endsWithObjectDeclaration<!> : () -> Int = {
         var <!ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE!>x<!> = 1
         x = <!UNUSED_VALUE!>333<!>
-        <!EXPECTED_TYPE_MISMATCH!><!LOCAL_OBJECT_NOT_ALLOWED!>object A<!> {}<!>
+        <!LOCAL_OBJECT_NOT_ALLOWED, EXPECTED_TYPE_MISMATCH!>object A<!> {}
     }
 
     val <!UNUSED_VARIABLE!>expectedUnitReturnType1<!> = { () : Unit ->

compiler/testData/diagnostics/tests/declarationChecks/illegalModifiersOnClass.kt

@@ -1,4 +1,4 @@
-// !DIAGNOSTICS: -MANY_CLASS_OBJECTS
+// !DIAGNOSTICS: -MANY_CLASS_OBJECTS -REDECLARATION
 
 // KT-3464 Front-end shouldn't allow override modifier in class declaration
 

compiler/testData/diagnostics/tests/duplicateJvmSignature/missingNames.kt

@@ -35,9 +35,9 @@ class Outer {
 
     }<!>
 
-    <!REDECLARATION!>object <!SYNTAX!><!>{
+    <!REDECLARATION!>object<!> <!SYNTAX!><!>{
 
-    }<!>
+    }
 
     <!REDECLARATION!>trait<!SYNTAX!><!> {