diff --git a/org.moreunit.core.test/src/org/moreunit/core/util/IOUtilsTest.java b/org.moreunit.core.test/src/org/moreunit/core/util/IOUtilsTest.java
deleted file mode 100644
index 4d3e0e03..00000000
--- a/org.moreunit.core.test/src/org/moreunit/core/util/IOUtilsTest.java
+++ /dev/null
@@ -1,47 +0,0 @@
-package org.moreunit.core.util;
-
-import static org.mockito.Mockito.*;
-
-import java.io.Closeable;
-import java.io.IOException;
-
-import org.junit.jupiter.api.Test;
-
-class IOUtilsTest {
-
-    @Test
-    void testCloseQuietlyWithNullArray() {
-        IOUtils.closeQuietly((Closeable[]) null);
-        // Should not throw an exception
-    }
-
-    @Test
-    void testCloseQuietlyWithNullElement() {
-        IOUtils.closeQuietly(new Closeable[] { null });
-        // Should not throw an exception
-    }
-
-    @Test
-    void testCloseQuietlySuccess() throws IOException {
-        Closeable mockCloseable1 = mock(Closeable.class);
-        Closeable mockCloseable2 = mock(Closeable.class);
-
-        IOUtils.closeQuietly(mockCloseable1, mockCloseable2);
-
-        verify(mockCloseable1).close();
-        verify(mockCloseable2).close();
-    }
-
-    @Test
-    void testCloseQuietlyWithException() throws IOException {
-        Closeable mockCloseable1 = mock(Closeable.class);
-        Closeable mockCloseable2 = mock(Closeable.class);
-
-        doThrow(new IOException("Test exception")).when(mockCloseable1).close();
-
-        IOUtils.closeQuietly(mockCloseable1, mockCloseable2);
-
-        verify(mockCloseable1).close();
-        verify(mockCloseable2).close(); // Should still be called even if the first one throws
-    }
-}
diff --git a/org.moreunit.core.test/src/org/moreunit/core/util/ObjectsTest.java b/org.moreunit.core.test/src/org/moreunit/core/util/ObjectsTest.java
deleted file mode 100644
index f5dcdf0f..00000000
--- a/org.moreunit.core.test/src/org/moreunit/core/util/ObjectsTest.java
+++ /dev/null
@@ -1,50 +0,0 @@
-package org.moreunit.core.util;
-
-import static org.assertj.core.api.Assertions.assertThat;
-
-import java.util.Arrays;
-
-import org.junit.jupiter.api.Test;
-
-class ObjectsTest {
-
-    @Test
-    void testEqual() {
-        // Same reference
-        String str = "test";
-        assertThat(Objects.equal(str, str)).isTrue();
-
-        // Equal values
-        assertThat(Objects.equal(new String("test"), new String("test"))).isTrue();
-
-        // Both null
-        assertThat(Objects.equal(null, null)).isTrue();
-    }
-
-    @Test
-    void testNotEqual() {
-        // One null
-        assertThat(Objects.equal("test", null)).isFalse();
-        assertThat(Objects.equal(null, "test")).isFalse();
-
-        // Different values
-        assertThat(Objects.equal("test", "test2")).isFalse();
-        assertThat(Objects.equal(1, 2)).isFalse();
-
-        // Different types
-        assertThat(Objects.equal("1", 1)).isFalse();
-    }
-
-    @Test
-    void testHash() {
-        Object obj1 = "test";
-        Object obj2 = 123;
-        Object obj3 = null;
-
-        assertThat(Objects.hash(obj1, obj2, obj3)).isEqualTo(Arrays.hashCode(new Object[] { obj1, obj2, obj3 }));
-
-        assertThat(Objects.hash(obj1)).isEqualTo(Arrays.hashCode(new Object[] { obj1 }));
-
-        assertThat(Objects.hash()).isEqualTo(Arrays.hashCode(new Object[0]));
-    }
-}
diff --git a/org.moreunit.core.test/test/org/moreunit/core/util/IOUtilsTest.java b/org.moreunit.core.test/test/org/moreunit/core/util/IOUtilsTest.java
index e24cbd3b..7d639315 100644
--- a/org.moreunit.core.test/test/org/moreunit/core/util/IOUtilsTest.java
+++ b/org.moreunit.core.test/test/org/moreunit/core/util/IOUtilsTest.java
@@ -52,4 +52,41 @@ public void closeQuietly_should_swallow_IOExceptions() throws Exception
 
         // then: no exception = success
     }
+
+    @Test
+    public void closeQuietly_should_ignore_null_array() throws Exception
+    {
+        // when
+        closeQuietly((Closeable[]) null);
+
+        // then: no exception = success
+    }
+
+    @Test
+    public void closeQuietly_should_ignore_null_varargs_elements() throws Exception
+    {
+        // when
+        closeQuietly(null, null);
+
+        // then: no exception = success
+    }
+
+    @Test
+    public void closeQuietly_should_continue_closing_remaining_resources_on_exception() throws Exception
+    {
+        // given
+        Closeable c1 = mock(Closeable.class);
+        Closeable c2 = mock(Closeable.class);
+        Closeable c3 = mock(Closeable.class);
+
+        doThrow(new IOException()).when(c2).close();
+
+        // when
+        closeQuietly(c1, c2, c3);
+
+        // then
+        verify(c1, times(1)).close();
+        verify(c2, times(1)).close();
+        verify(c3, times(1)).close();
+    }
 }
diff --git a/org.moreunit.core.test/test/org/moreunit/core/util/ObjectsTest.java b/org.moreunit.core.test/test/org/moreunit/core/util/ObjectsTest.java
index a777f997..3dc644c8 100644
--- a/org.moreunit.core.test/test/org/moreunit/core/util/ObjectsTest.java
+++ b/org.moreunit.core.test/test/org/moreunit/core/util/ObjectsTest.java
@@ -33,4 +33,20 @@ public void unequal_objects_should_be_seen_as_such() throws Exception
         assertFalse(Objects.equal("abc", "aBc"));
         assertFalse(Objects.equal(95, 94));
     }
+
+    @Test
+    public void testHash() {
+        org.junit.jupiter.api.Assertions.assertEquals(
+            java.util.Arrays.hashCode(new Object[]{"a", "b"}),
+            Objects.hash("a", "b")
+        );
+        org.junit.jupiter.api.Assertions.assertEquals(
+            java.util.Arrays.hashCode(new Object[]{null, "b"}),
+            Objects.hash(null, "b")
+        );
+        org.junit.jupiter.api.Assertions.assertEquals(
+            java.util.Arrays.hashCode(new Object[]{}),
+            Objects.hash()
+        );
+    }
 }
diff --git a/patch_objects.diff b/patch_objects.diff
new file mode 100644
index 00000000..e7bc59ff
--- /dev/null
+++ b/patch_objects.diff
@@ -0,0 +1,33 @@
+<<<<<<< SEARCH
+    @Test
+    public void unequal_objects_should_be_seen_as_such() throws Exception
+    {
+        assertFalse(Objects.equal("abc", "aBc"));
+        assertFalse(Objects.equal(95, 94));
+    }
+}
+=======
+    @Test
+    public void unequal_objects_should_be_seen_as_such() throws Exception
+    {
+        assertFalse(Objects.equal("abc", "aBc"));
+        assertFalse(Objects.equal(95, 94));
+    }
+
+    @Test
+    public void testHash() {
+        org.junit.jupiter.api.Assertions.assertEquals(
+            java.util.Arrays.hashCode(new Object[]{"a", "b"}),
+            Objects.hash("a", "b")
+        );
+        org.junit.jupiter.api.Assertions.assertEquals(
+            java.util.Arrays.hashCode(new Object[]{null, "b"}),
+            Objects.hash(null, "b")
+        );
+        org.junit.jupiter.api.Assertions.assertEquals(
+            java.util.Arrays.hashCode(new Object[]{}),
+            Objects.hash()
+        );
+    }
+}
+>>>>>>> REPLACE