diff --git a/core-java-modules/core-java-numbers/src/test/java/com/ossez/number/foramt/NumberFormatExceptionTest.java b/core-java-modules/core-java-numbers/src/test/java/com/ossez/number/foramt/NumberFormatExceptionTest.java
index 9f9207647a..8c50e792df 100644
--- a/core-java-modules/core-java-numbers/src/test/java/com/ossez/number/foramt/NumberFormatExceptionTest.java
+++ b/core-java-modules/core-java-numbers/src/test/java/com/ossez/number/foramt/NumberFormatExceptionTest.java
@@ -8,9 +8,14 @@ import org.junit.jupiter.api.TestInstance;
 import java.util.Arrays;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 
+/**
+ * String format to number with NumberFormatException
+ *
+ * @author YuCheng
+ */
 @TestInstance(TestInstance.Lifecycle.PER_METHOD)
 public class NumberFormatExceptionTest {
 
@@ -20,16 +25,22 @@ public class NumberFormatExceptionTest {
 
     @Test
     public void ConstructorNumberFormatException() {
-        Exception exception = assertThrows(NumberFormatException.class, () -> {
+
+//        Exception exception = assertThrows(NumberFormatException.class, () -> {
+//            new Integer("one");
+//        });
+
+       assertThatThrownBy(() -> {
             new Integer("one");
-        });
+        }).isInstanceOf(NumberFormatException.class).hasMessageStartingWith("For input string");
 
-        System.out.println(exception);
+//        System.out.println(exception);
 
-		Integer aIntegerObj = new Integer("one");
+        Integer aIntegerObj = new Integer("1");
+
+//		Integer aIntegerObj = new Integer("one");
         Double doubleDecimalObj = new Double("two.2");
     }
 
 
-
 }
diff --git a/pom.xml b/pom.xml
index f0e6683677..8513b38609 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,7 +43,7 @@
 <!--        <module>jackson-modules</module>-->
 <!--        <module>jackson-simple</module>-->
 <!--        <module>parent-java</module>-->
-<!--        <module>testing-modules</module>-->
+        <module>testing-modules</module>
         <module>toolkits</module>
 <!--        <module>xml</module>-->
     </modules>
@@ -97,7 +97,7 @@
         <mockito-core.version>3.12.4</mockito-core.version>
         <hamcrest.version>2.2</hamcrest.version>
         <hamcrest-all.version>1.3</hamcrest-all.version>
-        <assertj.version>3.17.2</assertj.version>
+        <assertj.version>3.23.1</assertj.version>
         <jmh-core.version>1.33</jmh-core.version>
         <jmh-generator.version>1.33</jmh-generator.version>
 
diff --git a/testing-modules/pom.xml b/testing-modules/pom.xml
index 46ca3394fe..469be80d97 100644
--- a/testing-modules/pom.xml
+++ b/testing-modules/pom.xml
@@ -15,7 +15,7 @@
     </parent>
 
     <modules>
-<!--        <module>assertion-libraries</module>-->
+        <module>assertion-libraries</module>
 <!--        <module>cucumber</module>-->
 <!--        <module>easy-random</module>-->
 <!--        <module>easymock</module>-->