Mark regressions to run with checkstyle disbled for normal builds

Enable checkstyle when checking that regressions are being caught.

regressions/pom.xml

@@ -13,7 +13,7 @@
     <name>Kemitix Checkstyle :: Ruleset :: Regression Tests</name>
 
     <properties>
-        <kemitix-checkstyle-ruleset.version>${project.version}</kemitix-checkstyle-ruleset.version>
+        <!-- use the disabled ruleset for normal builds. comment out the following line to check that conditions are caught -->
         <ruleset.level>0-disabled</ruleset.level>
         <digraph-dependency.basePackage>net.kemitix.checkstyle.regressions</digraph-dependency.basePackage>
         <pitest.skip>true</pitest.skip>
@@ -29,7 +29,6 @@
         </dependency>
     </dependencies>
 
-
     <build>
         <plugins>
             <plugin>

regressions/src/main/java/net/kemitix/checkstyle/regressions/AvoidDefaultSerializableInInnerClasses.java

@@ -33,7 +33,6 @@ public class AvoidDefaultSerializableInInnerClasses {
     /**
      * Inner class should not use default implementations of {@code readObject()} and {@code writeObject()}.
      */
-    @SuppressWarnings("avoiddefaultserializableininnerclasses")
     public class InnerClass implements Serializable {
 
     }

regressions/src/main/java/net/kemitix/checkstyle/regressions/Basic.java

@@ -22,7 +22,7 @@
 package net.kemitix.checkstyle.regressions;
 
 /**
- * Sample class.
+ * Sample class with no checkstyle issues.
  *
  * @author Paul Campbell (pcampbell@kemitix.net)
  */

regressions/src/main/java/net/kemitix/checkstyle/regressions/EmptyPublicCtorInClass.java

@@ -31,7 +31,6 @@ public class EmptyPublicCtorInClass {
     /**
      * Useless empty public constructors.
      */
-    @SuppressWarnings("emptypublicctorinclass")
     EmptyPublicCtorInClass() {
     }
 

regressions/src/main/java/net/kemitix/checkstyle/regressions/ExplicitInitialization.java

@@ -37,16 +37,12 @@ class ExplicitInitialization {
 
     private Object validObject = new Object();
 
-    @SuppressWarnings("explicitinitialization")
     private Boolean invalidBoolean = null;
 
-    @SuppressWarnings("explicitinitialization")
     private Integer invalidInteger = null;
 
-    @SuppressWarnings("explicitinitialization")
     private String invalidString = null;
 
-    @SuppressWarnings("explicitinitialization")
     private Object invalidObject = null;
 
 }

regressions/src/main/java/net/kemitix/checkstyle/regressions/FinalizeImplementation.java

@@ -31,7 +31,7 @@ class FinalizeImplementation {
     /**
      * Negates effect of superclass finalize.
      */
-    @SuppressWarnings({"PMD.EmptyFinalizer", "nofinalizer", "finalizeimplementation"})
+    @SuppressWarnings("PMD.EmptyFinalizer")
     protected void finalize() {
         // doesn't call super.finalize()
     }

regressions/src/main/java/net/kemitix/checkstyle/regressions/MoveVariableInsideIf.java

@@ -41,7 +41,6 @@ class MoveVariableInsideIf {
      *
      * @return value
      */
-    @SuppressWarnings("movevariableinsideif")
     protected String invalid() {
         String variable = input.substring(1);
         if (condition) {