builder: use BuilderConfiguration to provide the classLoader

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

@@ -47,10 +47,16 @@ public class BuilderConfiguration {
      * @return the ClassPath
      *
      * @throws IOException if there is an error
+     * @param classLoader
      */
     @Bean
-    public ClassPath classPath() throws IOException {
+    public ClassPath classPath(final ClassLoader classLoader) throws IOException {
-        return ClassPath.from(getClass().getClassLoader());
+        return ClassPath.from(classLoader);
+    }
+
+    @Bean
+    public ClassLoader classLoader() {
+        return BuilderConfiguration.class.getClassLoader();
     }
 
     /**

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

@@ -23,7 +23,8 @@ public class BuilderConfigurationTest {
     @Test
     public void canGetClassPath() throws IOException {
         //when
-        final ClassPath classPath = new BuilderConfiguration().classPath();
+        final BuilderConfiguration builderConfiguration = new BuilderConfiguration();
+        final ClassPath classPath = builderConfiguration.classPath(builderConfiguration.getClass().getClassLoader());
         //then
         assertThat(classPath).isNotNull();
     }