Fix last test

docs/pages/release_notes.md

@@ -35,6 +35,9 @@ It is now forbidden to report a violation:
 - With a `null` message
 - With a `null` set of format arguments (prefer a zero-length array)
 
+Note that the message is set from the XML rule declaration, so this is only relevant
+if you instantiate rules manually.
+
 {% jdoc core::RuleContext %} now requires setting the current rule before calling
 {% jdoc core::lang.rule.Rule#apply(java.util.List, core::RuleContext)}. This is
 done automatically by `RuleSet#apply` and such. Creating and configuring a

pmd-apex/src/test/java/net/sourceforge/pmd/lang/apex/SuppressWarningsTest.java

@@ -21,6 +21,12 @@ import net.sourceforge.pmd.testframework.RuleTst;
 public class SuppressWarningsTest extends RuleTst {
 
     private static class BarRule extends AbstractApexRule {
+
+        @Override
+        public String getMessage() {
+            return "a message";
+        }
+
         @Override
         public Object visit(ASTUserClass clazz, Object ctx) {
             if (clazz.getImage().equalsIgnoreCase("bar")) {

pmd-apex/src/test/java/net/sourceforge/pmd/lang/apex/rule/AbstractApexRuleTest.java

@@ -45,14 +45,21 @@ public class AbstractApexRuleTest extends ApexParserTestBase {
 
     private void run(String code) {
         ApexNode<Compilation> node = parse(code);
+        TopLevelRule rule = new TopLevelRule();
         RuleContext ctx = new RuleContext();
         ctx.setLanguageVersion(apex.getDefaultVersion());
-        TopLevelRule rule = new TopLevelRule();
+        ctx.setCurrentRule(rule);
         rule.apply(Collections.singletonList(node), ctx);
         assertEquals(1, ctx.getReport().size());
     }
 
     private static class TopLevelRule extends AbstractApexRule {
+
+        @Override
+        public String getMessage() {
+            return "a message";
+        }
+
         @Override
         public Object visit(ASTUserClass node, Object data) {
             addViolation(data, node);