Add the initialize tests for Person, Student, book

spec/book_spec.rb

@@ -0,0 +1,6 @@
+require './book'
+
+describe Book.new 'Microverse', 'Autum Johe' do 
+    it { is_expected.to have_attributes(title: 'Microverse') } 
+    it { is_expected.to have_attributes(author: 'Autum Johe') }
+ end

spec/person_spec.rb

@@ -0,0 +1,7 @@
+require './person'
+
+describe Person.new 23, 'Abdu' do
+    it{is_expected.to have_attributes(age: 23) } 
+    it{is_expected.to have_attributes(name: 'Abdu') } 
+    it{is_expected.to have_attributes(parent_permission: true) } 
+    end

spec/student_spec.rb

@@ -0,0 +1,9 @@
+require './student'
+
+describe Student.new 'IT', 24, 'Abdu' do
+
+    it{is_expected.to have_attributes(classroom: 'IT') } 
+    it{is_expected.to have_attributes(age: 24) } 
+    it{is_expected.to have_attributes(name: 'Abdu') } 
+    it{is_expected.to have_attributes(parent_permission: true) } 
+    end