Fix build error

Author: arturobernalg

httpcore5/src/test/java/org/apache/hc/core5/io/TestPooledByteBufferAllocator.java

@@ -37,10 +37,10 @@
 
 import org.junit.jupiter.api.Test;
 
-public class TestPooledByteBufferAllocator {
+class TestPooledByteBufferAllocator {
 
     @Test
-    public void testNonPooledExactCapacity() {
+    void testNonPooledExactCapacity() {
         final PooledByteBufferAllocator allocator = new PooledByteBufferAllocator(
                 64, 1024, 16, 8);
 
@@ -56,7 +56,7 @@ public void testNonPooledExactCapacity() {
     }
 
     @Test
-    public void testPooledRoundedCapacityAndLimit() {
+    void testPooledRoundedCapacityAndLimit() {
         final PooledByteBufferAllocator allocator = new PooledByteBufferAllocator(
                 64, 1024, 16, 8);
 
@@ -75,7 +75,7 @@ public void testPooledRoundedCapacityAndLimit() {
     }
 
     @Test
-    public void testPooledReusesLocalCache() {
+    void testPooledReusesLocalCache() {
         final PooledByteBufferAllocator allocator = new PooledByteBufferAllocator(
                 64, 1024, 16, 8);
 
@@ -95,7 +95,7 @@ public void testPooledReusesLocalCache() {
     }
 
     @Test
-    public void testReleaseResetsLimitForNextUse() {
+    void testReleaseResetsLimitForNextUse() {
         final PooledByteBufferAllocator allocator = new PooledByteBufferAllocator(
                 64, 1024, 16, 8);
 
@@ -116,7 +116,7 @@ public void testReleaseResetsLimitForNextUse() {
     }
 
     @Test
-    public void testDirectAndHeapArePooledSeparately() {
+    void testDirectAndHeapArePooledSeparately() {
         final PooledByteBufferAllocator allocator = new PooledByteBufferAllocator(
                 64, 1024, 16, 8);
 
@@ -136,7 +136,7 @@ public void testDirectAndHeapArePooledSeparately() {
     }
 
     @Test
-    public void testToStringDoesNotThrow() {
+    void testToStringDoesNotThrow() {
         final PooledByteBufferAllocator allocator = new PooledByteBufferAllocator(
                 64, 1024, 16, 8);