Fix analyser hints
diff --git a/test/mustache_test.dart b/test/mustache_test.dart
index f569bb1..caa2208 100644
--- a/test/mustache_test.dart
+++ b/test/mustache_test.dart
@@ -356,6 +356,7 @@
 		test('Odd variable name', () {
 			var output = parse(r'{{#section}}_{{var$%$^%}}_{{/section}}', lenient: true)
 				.renderString({'section': {r'var$%$^%': 'bob'}});
+      expect(output, equals('_bob_'));
 		});
 
 		test('Null variable', () {
@@ -582,7 +583,7 @@
     test('LambdaContext.lookup closed', () {
       var t = new Template('{{ foo }}');
       var lc2;
-      var s = t.renderString({'foo': (lc) => lc2 = lc, 'bar': 'jim'});
+      t.renderString({'foo': (lc) => lc2 = lc, 'bar': 'jim'});
       expect(() => lc2.lookup('foo'), throwsException);
     });
 
diff --git a/test/parser_test.dart b/test/parser_test.dart
index 8431946..8554348 100644
--- a/test/parser_test.dart
+++ b/test/parser_test.dart
@@ -252,7 +252,7 @@
      var source = "{{{ #foo }}} {{{ /foo }}}";
      var parser = new Parser(source, 'foo', '{{ }}', lenient: false);
      try {
-      var nodes = parser.parse();
+      parser.parse();
       fail('Should fail.');
      } catch (e) {
        expect(e is TemplateException, isTrue);