minor warnings cleanup

Author: cowtowncoder

blackbird/src/test/java/com/fasterxml/jackson/module/blackbird/deser/TestCollectionDeser.java

@@ -10,7 +10,7 @@ public class TestCollectionDeser extends BlackbirdTestBase
     // [module-afterburner#36]
     static class CollectionBean
     {
-        private Collection<String> x = new TreeSet<String>();
+        Collection<String> x = new TreeSet<String>();
 
         public Collection<String> getStuff() { return x; }
     }

blackbird/src/test/java/com/fasterxml/jackson/module/blackbird/deser/TestPolymorphic.java

@@ -9,7 +9,7 @@ public class TestPolymorphic extends BlackbirdTestBase
 {
     static class Envelope {
         @JsonTypeInfo(use=JsonTypeInfo.Id.CLASS, include=JsonTypeInfo.As.EXTERNAL_PROPERTY, property="class")
-        private Object payload;
+        Object payload;
 
         public Envelope(@JsonProperty("payload") Object payload) {
             this.payload = payload;

blackbird/src/test/java/com/fasterxml/jackson/module/blackbird/deser/TestPolymorphicCreators.java

@@ -54,7 +54,7 @@ abstract static class AbstractRoot
     {
         private final String opt;
 
-        private AbstractRoot(String opt) {
+        AbstractRoot(String opt) {
             this.opt = opt;
         }
 
@@ -75,7 +75,7 @@ public final String getOpt() {
     }
 
     static final class One extends AbstractRoot {
-        private One(String opt) {
+        One(String opt) {
             super(opt);
         }
 

blackbird/src/test/java/com/fasterxml/jackson/module/blackbird/deser/merge/NodeMergeTest.java

@@ -9,7 +9,7 @@
 
 public class NodeMergeTest extends BlackbirdTestBase
 {
-    private final static ObjectMapper MAPPER = mapperBuilder()
+    final static ObjectMapper MAPPER = mapperBuilder()
             // 26-Oct-2016, tatu: Make sure we'll report merge problems by default
             .disable(MapperFeature.IGNORE_MERGE_FOR_UNMERGEABLE)
             .build()

mrbean/src/test/java/com/fasterxml/jackson/module/mrbean/TestBridgeMethods.java

@@ -87,10 +87,10 @@ public void testGenericCovariantProperty() throws Exception
     @SuppressWarnings("unchecked")
     private static <T> Class<T> reorderBridgeMethodFirst(Class<T> clazz, final String methodName) throws IOException {
         ClassReader reader = new ClassReader(clazz.getName());
-        ClassWriter writer = new ClassWriter(0);
+        final ClassWriter writer = new ClassWriter(0);
         reader.accept(new ClassVisitor(Opcodes.ASM7, writer) {
-            private BufferingMethodVisitor _nonBridgeMethod;
-            private boolean _wroteBridgeMethod;
+            BufferingMethodVisitor _nonBridgeMethod;
+            boolean _wroteBridgeMethod;
 
             @Override
             public MethodVisitor visitMethod(int access, String name, String descriptor, String signature, String[] exceptions) {