diff --git a/app/models/TransactionJournal.php b/app/models/TransactionJournal.php
index 99bbe53ad7..ed2d3d2158 100644
--- a/app/models/TransactionJournal.php
+++ b/app/models/TransactionJournal.php
@@ -125,14 +125,6 @@ class TransactionJournal extends Eloquent
         return $query->where('transaction_journals.date', '<=', $date->format('Y-m-d 00:00:00'));
     }
 
-    /**
-     * @param Builder $query
-     */
-    public function scopeDefaultSorting(Builder $query)
-    {
-        $query->orderBy('date', 'DESC')->orderBy('transaction_journals.id', 'DESC');
-    }
-
     /**
      * @param Builder $query
      * @param         $amount
diff --git a/app/tests/factories/Transaction.php b/app/tests/factories/Transaction.php
new file mode 100644
index 0000000000..42b056a423
--- /dev/null
+++ b/app/tests/factories/Transaction.php
@@ -0,0 +1,10 @@
+<?php
+
+League\FactoryMuffin\Facade::define(
+    'Transaction', [
+                     'account_id'             => 'factory|Account',
+                     'transaction_journal_id' => 'factory|TransactionJournal',
+                     'description'            => 'sentence',
+                     'amount'                 => 'numberBetween:1,100',
+                 ]
+);
diff --git a/app/tests/factories/TransactionCurrency.php b/app/tests/factories/TransactionCurrency.php
index 9804dd56c2..cad7372767 100644
--- a/app/tests/factories/TransactionCurrency.php
+++ b/app/tests/factories/TransactionCurrency.php
@@ -2,6 +2,15 @@
 
 League\FactoryMuffin\Facade::define(
     'TransactionCurrency', [
-        'code'     => 'word',
-    ]
+                             'code'   => function () {
+                                 $code = '';
+                                 for ($i = 0; $i < 3; $i++) {
+                                     $code .= chr(rand(65, 90));
+                                 }
+
+                                 return $code;
+                             },
+                             'name'   => 'word',
+                             'symbol' => '$'
+                         ]
 );
diff --git a/app/tests/factories/TransactionGroup.php b/app/tests/factories/TransactionGroup.php
new file mode 100644
index 0000000000..74e917a8ae
--- /dev/null
+++ b/app/tests/factories/TransactionGroup.php
@@ -0,0 +1,8 @@
+<?php
+
+League\FactoryMuffin\Facade::define(
+    'TransactionGroup', [
+                          'user_id'  => 'factory|User',
+                          'relation' => 'balance',
+                      ]
+);
diff --git a/tests/unit/TransactionGroupTest.php b/tests/unit/TransactionGroupTest.php
new file mode 100644
index 0000000000..f6439a7638
--- /dev/null
+++ b/tests/unit/TransactionGroupTest.php
@@ -0,0 +1,25 @@
+<?php
+use League\FactoryMuffin\Facade as f;
+
+/**
+ * Class TransactionGroupTest
+ */
+class TransactionGroupTest extends TestCase
+{
+
+    public function setUp()
+    {
+        parent::setUp();
+    }
+
+    public function tearDown()
+    {
+        parent::tearDown();
+    }
+
+    public function testUser()
+    {
+        $group = f::create('TransactionGroup');
+        $this->assertEquals($group->user_id, $group->user->id);
+    }
+}
\ No newline at end of file
diff --git a/tests/unit/TransactionJournalTest.php b/tests/unit/TransactionJournalTest.php
new file mode 100644
index 0000000000..8b9e11946f
--- /dev/null
+++ b/tests/unit/TransactionJournalTest.php
@@ -0,0 +1,33 @@
+<?php
+use League\FactoryMuffin\Facade as f;
+
+/**
+ * Class TransactionJournalTest
+ */
+class TransactionJournalTest extends TestCase
+{
+
+    public function setUp()
+    {
+        parent::setUp();
+    }
+
+    public function tearDown()
+    {
+        parent::tearDown();
+    }
+
+    public function testMorethan()
+    {
+        $journal = f::create('TransactionJournal');
+        $transaction = f::create('Transaction');
+        $other = clone $transaction;
+        $journal->transactions()->save($transaction);
+        $journal->transactions()->save($other);
+
+        $amount      = floatval($transaction->amount);
+        $amount++;
+
+        $this->assertCount(1, TransactionJournal::moreThan($amount)->get());
+    }
+}
\ No newline at end of file
diff --git a/tests/unit/TransactionTest.php b/tests/unit/TransactionTest.php
new file mode 100644
index 0000000000..3d89e735c5
--- /dev/null
+++ b/tests/unit/TransactionTest.php
@@ -0,0 +1,68 @@
+<?php
+use League\FactoryMuffin\Facade as f;
+
+/**
+ * Class TransactionTest
+ */
+class TransactionTest extends TestCase
+{
+
+    public function setUp()
+    {
+        parent::setUp();
+    }
+
+    public function tearDown()
+    {
+        parent::tearDown();
+    }
+
+    public function testAccount()
+    {
+        $transaction = f::create('Transaction');
+
+        $this->assertCount(1, Transaction::accountIs($transaction->account)->get());
+    }
+
+    public function testDateAfter()
+    {
+        $transaction = f::create('Transaction');
+        $date        = clone $transaction->transactionJournal->date;
+        $date->subDay();
+
+        $this->assertCount(1, Transaction::after($date)->get());
+    }
+
+    public function testDateBefore()
+    {
+        $transaction = f::create('Transaction');
+        $date        = clone $transaction->transactionJournal->date;
+        $date->addDay();
+
+        $this->assertCount(1, Transaction::before($date)->get());
+    }
+
+    public function testLessThan()
+    {
+        $transaction = f::create('Transaction');
+        $amount      = floatval($transaction->amount);
+        $amount--;
+        $this->assertCount(1, Transaction::moreThan($amount)->get());
+    }
+
+    public function testMoreThan()
+    {
+        $transaction = f::create('Transaction');
+        $amount      = floatval($transaction->amount);
+        $amount++;
+
+        $this->assertCount(1, Transaction::moreThan($amount)->get());
+    }
+
+    public function testTransactionTypes()
+    {
+        $transaction = f::create('Transaction');
+        $type        = $transaction->transactionJournal->transactionType->type;
+        $this->assertCount(1, Transaction::transactionTypes([$type])->get());
+    }
+}
\ No newline at end of file