Minor fixes. The semantic newline problem is still there

idea/testData/psi/FunctionLiterals_ERR.txt

@@ -42,16 +42,16 @@ JetFile: FunctionLiterals_ERR.jet
         PsiWhiteSpace('\n\n    ')
         FUNCTION_LITERAL
           PsiElement(LBRACE)('{')
-          BODY
-            TUPLE
-              PsiElement(LPAR)('(')
+          VALUE_PARAMETER_LIST
+            PsiElement(LPAR)('(')
+            VALUE_PARAMETER
               PsiElement(IDENTIFIER)('a')
-              PsiErrorElement:Expecting ')'
-                <empty list>
-            PsiWhiteSpace(' ')
-            PsiErrorElement:Expecting an expression
-              PsiElement(DOUBLE_ARROW)('=>')
-            PsiWhiteSpace(' ')
+            PsiErrorElement:Expecting ')
+              <empty list>
+          PsiWhiteSpace(' ')
+          PsiElement(DOUBLE_ARROW)('=>')
+          PsiWhiteSpace(' ')
+          BODY
             PsiElement(IDENTIFIER)('a')
           PsiElement(RBRACE)('}')
         PsiWhiteSpace('\n    ')