JDO-823: Remove unused local variable (#72)

* Removed unused local variable

* Fixed formatting
diff --git a/api/src/test/java/javax/jdo/EnhancerTest.java b/api/src/test/java/javax/jdo/EnhancerTest.java
index 55c8184..3cb84e7 100644
--- a/api/src/test/java/javax/jdo/EnhancerTest.java
+++ b/api/src/test/java/javax/jdo/EnhancerTest.java
@@ -512,12 +512,9 @@
     Thread thread =
         new Thread(
             () -> {
-              int count = 0;
-              int outputBytesRead = 0;
               try {
-                while (-1 != (outputBytesRead = reader.read(output))) {
-                  count += outputBytesRead;
-                }
+                while (-1 != reader.read(output))
+                  ;
               } catch (IOException e) {
                 e.printStackTrace();
               } finally {
@@ -528,7 +525,7 @@
     return thread;
   }
 
-  class InvocationResult {
+  static class InvocationResult {
     private int exitValue;
     private String errorString;
     private String outputString;
diff --git a/exectck/src/main/java/org/apache/jdo/exectck/Utilities.java b/exectck/src/main/java/org/apache/jdo/exectck/Utilities.java
index 2451b92..a2da92f 100644
--- a/exectck/src/main/java/org/apache/jdo/exectck/Utilities.java
+++ b/exectck/src/main/java/org/apache/jdo/exectck/Utilities.java
@@ -154,12 +154,9 @@
     Thread thread =
         new Thread(
             () -> {
-              int count = 0;
-              int outputBytesRead = 0;
               try {
-                while (-1 != (outputBytesRead = reader.read(output))) {
-                  count += outputBytesRead;
-                }
+                while (-1 != reader.read(output))
+                  ;
               } catch (IOException e) {
                 e.printStackTrace();
               } finally {
@@ -170,7 +167,7 @@
     return thread;
   }
 
-  class InvocationResult {
+  static class InvocationResult {
     private int exitValue;
     private String errorString;
     private String outputString;