Jasmine: Convert tests of parser's "expression" rule

spec/parser.spec.js

@@ -16,6 +16,10 @@ describe("PEG.js grammar parser", function() {
       sequenceOfLabeleds = {
         type:     "sequence",
         elements: [labeledAbcd, labeledEfgh, labeledIjkl]
+      },
+      choiceOfLiterals = {
+        type:         "choice",
+        alternatives: [literalAbcd, literalEfgh, literalIjkl]
       };
 
   function oneRuleGrammar(displayName, expression) {
@@ -150,6 +154,13 @@ describe("PEG.js grammar parser", function() {
     });
   });
 
+  /* Canonical expression is "\"abcd\" / \"efgh\" / \"ijkl\"". */
+  it("parses expression", function() {
+    expect('start = "abcd" / "efgh" / "ijkl"').toParseAs(
+      oneRuleGrammar(null, choiceOfLiterals)
+    );
+  });
+
   /* Canonical choice is "\"abcd\" / \"efgh\" / \"ijkl\"". */
   it("parses choice", function() {
     expect('start = "abcd" "efgh" "ijkl"').toParseAs(

test/parser-test.js

@@ -220,12 +220,4 @@ test("parses rule", function() {
   );
 });
 
-/* Canonical expression is "\"abcd\" / \"efgh\" / \"ijkl\"". */
-test("parses expression", function() {
-  parserParses(
-    'start = "abcd" / "efgh" / "ijkl"',
-    oneRuleGrammar(choiceLiterals)
-  );
-});
-
 })();