Merge assertj -> testing (#1738)

testing/src/main/java/com/baeldung/testing/assertj/Dog.java

@@ -0,0 +1,19 @@
+package com.baeldung.testing.assertj;
+
+public class Dog {
+    private String name;
+    private Float weight;
+
+    public Dog(String name, Float weight) {
+        this.name = name;
+        this.weight = weight;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public Float getWeight() {
+        return weight;
+    }
+}

testing/src/main/java/com/baeldung/testing/assertj/Person.java

@@ -0,0 +1,19 @@
+package com.baeldung.testing.assertj;
+
+public class Person {
+    private String name;
+    private Integer age;
+
+    public Person(String name, Integer age) {
+        this.name = name;
+        this.age = age;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public Integer getAge() {
+        return age;
+    }
+}