Updated SimpleNoise test to use org.juint.Assert instead of jupiter

src/test/java/com/generation/SimplexNoiseTest.java

 package src.test.java.com.generation;
 
-import static org.junit.jupiter.api.Assertions.*;
-
 import java.awt.Color;
 import java.awt.image.BufferedImage;
 import java.io.IOException;
@@ -9,42 +7,43 @@ import java.io.InputStream;
 
 import javax.imageio.ImageIO;
 
-import org.junit.jupiter.api.Test;
+import org.junit.Assert;
+import org.junit.Test;
 
 import src.main.java.com.generation.SimplexNoise;
 
 public class SimplexNoiseTest {
 
-	@Test
-	public void testGenerateHeightMap() {
-		
-		final int WIDTH = 256;
-		final int HEIGHT = 256;
-		final int X = 0;
-		final int Y = 0;
-		final String RESOURCE_NAME = "src/test/java/com/generation/expected-result.png";
-		
-		float[][] heightmap = new SimplexNoise(50, 0.3F, 1111111111111111L).generateHeightMap(X, Y, WIDTH, HEIGHT);
-		BufferedImage image = null;
-		
-		try(InputStream in = this.getClass().getClassLoader().getResourceAsStream(RESOURCE_NAME)) {
-			
-			image = ImageIO.read(in);
-			
-			assertEquals(WIDTH, image.getWidth());
-			assertEquals(HEIGHT, image.getHeight());
-			
-		} catch(IOException | IllegalArgumentException exception) {
-			
-			fail(exception);
-		} 
-		
-		for(int x = 0; x < WIDTH; x++) {
-			
-			for(int y = 0; y < HEIGHT; y++) {
-				
-				assertEquals(new Color(image.getRGB(x, y)).getRed(), (int)(heightmap[x][y] * 255));
-			}
-		}
-	}
+    @Test
+    public void testGenerateHeightMap() {
+
+        final int WIDTH = 256;
+        final int HEIGHT = 256;
+        final int X = 0;
+        final int Y = 0;
+        final String RESOURCE_NAME = "src/test/java/com/generation/expected-result.png";
+
+        float[][] heightmap = new SimplexNoise(50, 0.3F, 1111111111111111L).generateHeightMap(X, Y, WIDTH, HEIGHT);
+        BufferedImage image = null;
+
+        try (InputStream in = this.getClass().getClassLoader().getResourceAsStream(RESOURCE_NAME)) {
+
+            image = ImageIO.read(in);
+
+            Assert.assertEquals(WIDTH, image.getWidth());
+            Assert.assertEquals(HEIGHT, image.getHeight());
+
+        } catch (IOException | IllegalArgumentException exception) {
+
+            Assert.fail(exception.toString());
+        }
+
+        for (int x = 0; x < WIDTH; x++) {
+
+            for (int y = 0; y < HEIGHT; y++) {
+
+                Assert.assertEquals(new Color(image.getRGB(x, y)).getRed(), (int) (heightmap[x][y] * 255));
+            }
+        }
+    }
 }