builder:RulesPropertiesTest: added

Remove unused setter on RulesProperties.

builder/src/main/java/net/kemitix/checkstyle/ruleset/builder/RulesProperties.java

@@ -25,7 +25,6 @@ SOFTWARE.
 package net.kemitix.checkstyle.ruleset.builder;
 
 import lombok.Getter;
-import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.context.annotation.Configuration;
@@ -39,7 +38,6 @@ import java.util.List;
  * @author Paul Campbell (pcampbell@kemitix.net)
  */
 @Slf4j
-@Setter
 @Getter
 @Configuration
 @ConfigurationProperties

builder/src/test/java/net/kemitix/checkstyle/ruleset/builder/RulesPropertiesTest.java

@@ -0,0 +1,35 @@
+package net.kemitix.checkstyle.ruleset.builder;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link RulesProperties}.
+ *
+ * @author Paul Campbell (pcampbell@kemitix.net)
+ */
+public class RulesPropertiesTest {
+
+    private RulesProperties rulesProperties;
+
+    @Before
+    public void setUp() throws Exception {
+        rulesProperties = new RulesProperties();
+    }
+
+    @Test
+    public void getEmpty() throws Exception {
+        assertThat(rulesProperties.getRules()).isEmpty();
+    }
+    @Test
+    public void getContent() throws Exception {
+        //given
+        final Rule rule = new Rule();
+        //when
+        rulesProperties.getRules().add(rule);
+        //then
+        assertThat(rulesProperties.getRules()).containsExactly(rule);
+    }
+}