diff --git a/core-java-8/src/test/java/com/baeldung/datetime/AddHoursToDateUnitTest.java b/core-java-8/src/test/java/com/baeldung/datetime/AddHoursToDateUnitTest.java
index 9e20a94843..aa34367f30 100644
--- a/core-java-8/src/test/java/com/baeldung/datetime/AddHoursToDateUnitTest.java
+++ b/core-java-8/src/test/java/com/baeldung/datetime/AddHoursToDateUnitTest.java
@@ -22,7 +22,7 @@ public class AddHoursToDateUnitTest {
         Date actualDate = new GregorianCalendar(2018, Calendar.JUNE, 25, 5, 0).getTime();
         Date expectedDate = new GregorianCalendar(2018, Calendar.JUNE, 25, 7, 0).getTime();
 
-        assertThat(expectedDate).isEqualTo(addHoursToDateObj.addHoursToJavaUtilDate(actualDate, 2));
+        assertThat(addHoursToDateObj.addHoursToJavaUtilDate(actualDate, 2)).isEqualTo(expectedDate);
     }
 
     @Test
@@ -30,7 +30,7 @@ public class AddHoursToDateUnitTest {
         Date actualDate = new GregorianCalendar(2018, Calendar.JUNE, 25, 5, 0).getTime();
         Date expectedDate = new GregorianCalendar(2018, Calendar.JUNE, 25, 3, 0).getTime();
 
-        assertThat(expectedDate).isEqualTo(addHoursToDateObj.addHoursToJavaUtilDate(actualDate, -2));
+        assertThat(addHoursToDateObj.addHoursToJavaUtilDate(actualDate, -2)).isEqualTo(expectedDate);
     }
 
     @Test
@@ -38,7 +38,7 @@ public class AddHoursToDateUnitTest {
         Date actualDate = new GregorianCalendar(2018, Calendar.JUNE, 25, 5, 0).getTime();
         Date expectedDate = new GregorianCalendar(2018, Calendar.JUNE, 25, 7, 0).getTime();
 
-        assertThat(expectedDate).isEqualTo(addHoursToDateObj.addHoursToDateUsingInstant(actualDate, 2));
+        assertThat(addHoursToDateObj.addHoursToDateUsingInstant(actualDate, 2)).isEqualTo(expectedDate);
     }
 
     @Test
@@ -46,7 +46,7 @@ public class AddHoursToDateUnitTest {
         Date actualDate = new GregorianCalendar(2018, Calendar.JUNE, 25, 5, 0).getTime();
         Date expectedDate = new GregorianCalendar(2018, Calendar.JUNE, 25, 3, 0).getTime();
 
-        assertThat(expectedDate).isEqualTo(addHoursToDateObj.addHoursToDateUsingInstant(actualDate, -2));
+        assertThat(addHoursToDateObj.addHoursToDateUsingInstant(actualDate, -2)).isEqualTo(expectedDate);
     }
 
     @Test
@@ -54,7 +54,7 @@ public class AddHoursToDateUnitTest {
         LocalDateTime actualDateTime = LocalDateTime.of(2018, Month.JUNE, 25, 5, 0);
         LocalDateTime expectedDateTime = LocalDateTime.of(2018, Month.JUNE, 25, 7, 0);
 
-        assertThat(expectedDateTime).isEqualTo(addHoursToDateObj.addHoursToLocalDateTime(actualDateTime, 2));
+        assertThat(addHoursToDateObj.addHoursToLocalDateTime(actualDateTime, 2)).isEqualTo(expectedDateTime);
     }
 
     @Test
@@ -62,7 +62,7 @@ public class AddHoursToDateUnitTest {
         LocalDateTime actualDateTime = LocalDateTime.of(2018, Month.JUNE, 25, 5, 0);
         LocalDateTime expectedDateTime = LocalDateTime.of(2018, Month.JUNE, 25, 3, 0);
 
-        assertThat(expectedDateTime).isEqualTo(addHoursToDateObj.subtractHoursToLocalDateTime(actualDateTime, 2));
+        assertThat(addHoursToDateObj.subtractHoursToLocalDateTime(actualDateTime, 2)).isEqualTo(expectedDateTime);
     }
 
     @Test
@@ -70,7 +70,7 @@ public class AddHoursToDateUnitTest {
         ZonedDateTime actualZonedDateTime = ZonedDateTime.of(LocalDateTime.of(2018, Month.JUNE, 25, 5, 0), ZoneId.systemDefault());
         ZonedDateTime expectedZonedDateTime = ZonedDateTime.of(LocalDateTime.of(2018, Month.JUNE, 25, 7, 0), ZoneId.systemDefault());
 
-        assertThat(expectedZonedDateTime).isEqualTo(addHoursToDateObj.addHoursToZonedDateTime(actualZonedDateTime, 2));
+        assertThat(addHoursToDateObj.addHoursToZonedDateTime(actualZonedDateTime, 2)).isEqualTo(expectedZonedDateTime);
     }
 
     @Test
@@ -78,7 +78,7 @@ public class AddHoursToDateUnitTest {
         ZonedDateTime actualZonedDateTime = ZonedDateTime.of(LocalDateTime.of(2018, Month.JUNE, 25, 5, 0), ZoneId.systemDefault());
         ZonedDateTime expectedZonedDateTime = ZonedDateTime.of(LocalDateTime.of(2018, Month.JUNE, 25, 3, 0), ZoneId.systemDefault());
 
-        assertThat(expectedZonedDateTime).isEqualTo(addHoursToDateObj.subtractHoursToZonedDateTime(actualZonedDateTime, 2));
+        assertThat(addHoursToDateObj.subtractHoursToZonedDateTime(actualZonedDateTime, 2)).isEqualTo(expectedZonedDateTime);
     }
 
     @Test
@@ -86,7 +86,7 @@ public class AddHoursToDateUnitTest {
         Date actualDate = new GregorianCalendar(2018, Calendar.JUNE, 25, 5, 0).getTime();
         Date expectedDate = new GregorianCalendar(2018, Calendar.JUNE, 25, 7, 0).getTime();
 
-        assertThat(expectedDate).isEqualTo(addHoursToDateObj.addHoursWithApacheCommons(actualDate, 2));
+        assertThat(addHoursToDateObj.addHoursWithApacheCommons(actualDate, 2)).isEqualTo(expectedDate);
     }
 
     @Test
@@ -94,7 +94,7 @@ public class AddHoursToDateUnitTest {
         Date actualDate = new GregorianCalendar(2018, Calendar.JUNE, 25, 7, 0).getTime();
         Date expectedDate = new GregorianCalendar(2018, Calendar.JUNE, 25, 5, 0).getTime();
 
-        assertThat(expectedDate).isEqualTo(addHoursToDateObj.addHoursWithApacheCommons(actualDate, -2));
+        assertThat(addHoursToDateObj.addHoursWithApacheCommons(actualDate, -2)).isEqualTo(expectedDate);
     }
 
     @Test
@@ -102,7 +102,7 @@ public class AddHoursToDateUnitTest {
         Instant actualValue = Instant.parse("2018-06-25T05:12:35Z");
         Instant expectedValue = Instant.parse("2018-06-25T07:12:35Z");
 
-        assertThat(expectedValue).isEqualTo(addHoursToDateObj.addHoursToInstant(actualValue, 2));
+        assertThat(addHoursToDateObj.addHoursToInstant(actualValue, 2)).isEqualTo(expectedValue);
     }
 
     @Test
@@ -110,7 +110,7 @@ public class AddHoursToDateUnitTest {
         Instant actualValue = Instant.parse("2018-06-25T07:12:35Z");
         Instant expectedValue = Instant.parse("2018-06-25T05:12:35Z");
 
-        assertThat(expectedValue).isEqualTo(addHoursToDateObj.subtractHoursToInstant(actualValue, 2));
+        assertThat(addHoursToDateObj.subtractHoursToInstant(actualValue, 2)).isEqualTo(expectedValue);
     }
 
 }