Minor style fixes

Author: jshiell

src/main/java/org/infernus/idea/checkstyle/toolwindow/GroupTreeInfo.java

@@ -15,15 +15,15 @@ abstract class GroupTreeInfo extends ResultTreeNode {
     /**
      * Construct a group node.
      *
-     * @param name     the name of the group.
-     * @param groupId the ID used as part of message lookup.
-     * @param icon the icon of the group.
+     * @param name         the name of the group.
+     * @param groupId      the ID used as part of message lookup.
+     * @param icon         the icon of the group.
      * @param problemCount the number of problems in the group.
      */
-    public GroupTreeInfo(@NotNull final String name,
-                         @NotNull final String groupId,
-                         @NotNull final Icon icon,
-                         final int problemCount) {
+    GroupTreeInfo(@NotNull final String name,
+                  @NotNull final String groupId,
+                  @NotNull final Icon icon,
+                  final int problemCount) {
         super(CheckStyleBundle.message("plugin.results.scan-" + groupId + "-result", name, problemCount));
 
         this.name = name;

src/test/java/org/infernus/idea/checkstyle/checker/CachedCheckerTest.java

@@ -60,7 +60,7 @@ void destroyDelegatesToTheWrappedChecker() {
         verify(checkStyleChecker).destroy();
     }
 
-    private void backdateTimestamp(CachedChecker cachedChecker, long millisInThePast) throws Exception {
+    private void backdateTimestamp(final CachedChecker cachedChecker, final long millisInThePast) throws Exception {
         Field field = CachedChecker.class.getDeclaredField("timeStamp");
         field.setAccessible(true);
         field.set(cachedChecker, System.currentTimeMillis() - millisInThePast);