diff --git a/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/mercator/EllipticalMercatorUnitTest.java b/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/mercator/EllipticalMercatorUnitTest.java
index ce2f171051..96b644c46c 100644
--- a/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/mercator/EllipticalMercatorUnitTest.java
+++ b/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/mercator/EllipticalMercatorUnitTest.java
@@ -1,21 +1,22 @@
 package com.baeldung.algorithms.mercator;
 
+import org.junit.Assert;
 import org.junit.Test;
 
 
 public class EllipticalMercatorUnitTest {
 
     @Test
-    public void givenThatTheInputIs22_whenXAxisProjectionIsCalled_thenTheResultIsTheCorrectOne() {
+    public void giventThatTheInputIs22_whenXAxisProjectionIsCalled_thenTheResultIsTheCorrectOne() {
         Mercator mercator = new EllipticalMercator();
         double result = mercator.xAxisProjection(22);
-        assert result == 2449028.7974520186;
+        Assert.assertEquals(result, 2449028.7974520186, 0.0);
     }
 
     @Test
-    public void givenThatTheInputIs44_whenYAxisProjectionIsCalled_thenTheResultIsTheCorrectOne() {
+    public void giventThatTheInputIs44_whenYAxisProjectionIsCalled_thenTheResultIsTheCorrectOne() {
         Mercator mercator = new EllipticalMercator();
         double result = mercator.yAxisProjection(44);
-        assert result == 5435749.887511954;
+        Assert.assertEquals(result, 5435749.887511954, 0.0);
     }
 }
diff --git a/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/mercator/SphericalMercatorUnitTest.java b/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/mercator/SphericalMercatorUnitTest.java
index bbb34302ed..348c6ad3e4 100644
--- a/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/mercator/SphericalMercatorUnitTest.java
+++ b/algorithms-miscellaneous-2/src/test/java/com/baeldung/algorithms/mercator/SphericalMercatorUnitTest.java
@@ -1,21 +1,21 @@
 package com.baeldung.algorithms.mercator;
 
+import org.junit.Assert;
 import org.junit.Test;
-import static junit.framework.TestCase.assertEquals;
 
 public class SphericalMercatorUnitTest {
 
     @Test
-    public void givenThatTheInputIs22_whenXAxisProjectionIsCalled_thenTheResultIsTheCorrectOne() {
+    public void giventThatTheInputIs22_whenXAxisProjectionIsCalled_thenTheResultIsTheCorrectOne() {
         Mercator mercator = new SphericalMercator();
         double result = mercator.xAxisProjection(22);
-        assert result == 2449028.7974520186;
+        Assert.assertEquals(result, 2449028.7974520186, 0.0);
     }
 
     @Test
-    public void givenThatTheInputIs44_whenYAxisProjectionIsCalled_thenTheResultIsTheCorrectOne() {
+    public void giventThatTheInputIs44_whenYAxisProjectionIsCalled_thenTheResultIsTheCorrectOne() {
         Mercator mercator = new SphericalMercator();
         double result = mercator.yAxisProjection(44);
-        assert result == 5465442.183322753;
+        Assert.assertEquals(result, 5465442.183322753, 0.0);
     }
 }