Move helpers into their own module

lib/git/git_test_helpers.rb

@@ -5,30 +5,32 @@
 require_relative './git_commit.rb'
 
 module Git
-  def create_test_git_branch(repository_name: 'repository_name',
-                             name: 'path/branch',
-                             last_modified_date: Time.current,
-                             author_name: 'Author Name',
-                             author_email: 'author@email.com')
-    Git::GitBranch.new(repository_name, name, last_modified_date, author_name, author_email)
-  end
+  module TestHelpers
+    def self.create_branch(repository_name: 'repository_name',
+                           name: 'path/branch',
+                           last_modified_date: Time.current,
+                           author_name: 'Author Name',
+                           author_email: 'author@email.com')
+      Git::GitBranch.new(repository_name, name, last_modified_date, author_name, author_email)
+    end
 
-  def create_test_git_conflict(repository_name: 'repository_name',
-                               branch_a_name: 'branch_a',
-                               branch_b_name: 'branch_b',
-                               file_list: ['file1', 'file2'])
-    Git::GitConflict.new(repository_name, branch_a_name, branch_b_name, file_list)
-  end
+    def self.create_conflict(repository_name: 'repository_name',
+                             branch_a_name: 'branch_a',
+                             branch_b_name: 'branch_b',
+                             file_list: ['file1', 'file2'])
+      Git::GitConflict.new(repository_name, branch_a_name, branch_b_name, file_list)
+    end
 
-  def create_test_git_commit(sha: '1234567890123456789012345678901234567890',
-                             message: 'Commit message',
-                             author_name: 'Author Name',
-                             author_email: 'author@email.com',
-                             commit_date: Time.current)
-    Git::GitCommit.new(sha, message, commit_date, author_name, author_email)
-  end
+    def self.create_commit(sha: '1234567890123456789012345678901234567890',
+                           message: 'Commit message',
+                           author_name: 'Author Name',
+                           author_email: 'author@email.com',
+                           commit_date: Time.current)
+      Git::GitCommit.new(sha, message, commit_date, author_name, author_email)
+    end
 
-  def create_test_sha
-    Digest::SHA1.hexdigest(SecureRandom.hex)
+    def self.create_sha
+      Digest::SHA1.hexdigest(SecureRandom.hex)
+    end
   end
 end