diff --git a/database/migrations/2018_05_15_090646_change_user_id_in_bookings_table.php b/database/migrations/2018_05_15_090646_change_user_id_in_bookings_table.php
index 8175c68a..d629bc96 100644
--- a/database/migrations/2018_05_15_090646_change_user_id_in_bookings_table.php
+++ b/database/migrations/2018_05_15_090646_change_user_id_in_bookings_table.php
@@ -14,7 +14,7 @@ class ChangeUserIdInBookingsTable extends Migration
     public function up()
     {
         Schema::table('bookings', function (Blueprint $table) {
-            $table->unsignedInteger('user_id');
+            $table->unsignedInteger('user_id')->default('0');
             $table->foreign('user_id')
                     ->references('id')->on('users')
                     ->onDelete('cascade');
diff --git a/database/migrations/2018_05_18_063200_add_bia_in_bookings_table.php b/database/migrations/2018_05_18_063200_add_bia_in_bookings_table.php
index 5c58ba83..3df8fcd8 100644
--- a/database/migrations/2018_05_18_063200_add_bia_in_bookings_table.php
+++ b/database/migrations/2018_05_18_063200_add_bia_in_bookings_table.php
@@ -14,7 +14,8 @@ class AddBiaInBookingsTable extends Migration
     public function up()
     {
         Schema::table('bookings', function (Blueprint $table) {
-            $table->double('bia');
+            $table->double('bia')->default('0');
+;
         
         });
     }
diff --git a/database/migrations/2018_05_22_032509_add_bookings_table.php b/database/migrations/2018_05_22_032509_add_bookings_table.php
index acc4de7f..02a64841 100644
--- a/database/migrations/2018_05_22_032509_add_bookings_table.php
+++ b/database/migrations/2018_05_22_032509_add_bookings_table.php
@@ -14,21 +14,21 @@ class AddBookingsTable extends Migration
     public function up()
     {
         Schema::table('bookings', function (Blueprint $table) {
-            $table->double('rmb_book_amount')->nullable();
-            $table->string('rmb_book_pay_method')->nullable();
-            $table->string('rmb_book_account_name')->nullable();
-            $table->string('rmb_book_bank_name')->nullable();
-            $table->string('rmb_book_acc_no')->nullable();
-            $table->string('rmb_book_bank_branch')->nullable();
+            $table->double('rmb_book_amount')->default('0');
+            $table->string('rmb_book_pay_method')->default('0');
+            $table->string('rmb_book_account_name')->default('0');
+            $table->string('rmb_book_bank_name')->default('0');
+            $table->string('rmb_book_acc_no')->default('0');
+            $table->string('rmb_book_bank_branch')->default('0');
 
-            $table->double('usd_book_amount')->nullable();
-            $table->string('usd_book_pay_method')->nullable();
-            $table->string('usd_book_company_name')->nullable();
-            $table->string('usd_book_company_address')->nullable();
-            $table->string('usd_book_swift_code')->nullable();
-            $table->string('usd_book_cnap')->nullable();
-            $table->string('usd_book_bank_branch')->nullable();
-            $table->boolean('verification_status', true); // Results in a default value of 1.
+            $table->double('usd_book_amount')->default('0');
+            $table->string('usd_book_pay_method')->default('0');
+            $table->string('usd_book_company_name')->default('0');
+            $table->string('usd_book_company_address')->default('0');
+            $table->string('usd_book_swift_code')->default('0');
+            $table->string('usd_book_cnap')->default('0');
+            $table->string('usd_book_bank_branch')->default('0');
+            $table->boolean('verification_status')->default('1'); // Results in a default value of 1.
 
    //         $table->foreign('status_id')
    //             ->references('id')->on('status')
diff --git a/tests/Feature/OAuthTest.php b/tests/Feature/OAuthTest.php
deleted file mode 100644
index 405aac0c..00000000
--- a/tests/Feature/OAuthTest.php
+++ /dev/null
@@ -1,129 +0,0 @@
-<?php
-
-namespace Tests\Feature;
-
-use App\User;
-use Mockery as m;
-use Tests\TestCase;
-use Laravel\Socialite\Facades\Socialite;
-use PHPUnit\Framework\Assert as PHPUnit;
-use Illuminate\Foundation\Testing\TestResponse;
-use Laravel\Socialite\Two\User as SocialiteUser;
-
-class OAuthTest extends TestCase
-{
-    public function setUp()
-    {
-        parent::setUp();
-
-        TestResponse::macro('assertText', function ($text) {
-            PHPUnit::assertTrue(str_contains($this->getContent(), $text), "Expected text [{$text}] not found.");
-
-            return $this;
-        });
-
-        TestResponse::macro('assertTextMissing', function ($text) {
-            PHPUnit::assertFalse(str_contains($this->getContent(), $text), "Expected missing text [{$text}] found.");
-
-            return $this;
-        });
-    }
-
-    /** @test */
-    public function redirect_to_provider()
-    {
-        $this->mockSocialite('github');
-
-        $this->postJson('/api/oauth/github')
-            ->assertSuccessful()
-            ->assertJson(['url' => 'https://url-to-provider']);
-    }
-
-    /** @test */
-    public function create_user_and_return_token()
-    {
-        $this->mockSocialite('github', [
-            'id' => '123',
-            'name' => 'Test User',
-            'email' => 'test@example.com',
-            'token' => 'access-token',
-            'refreshToken' => 'refresh-token',
-        ]);
-
-        $this->withoutExceptionHandling();
-
-        $this->get('/api/oauth/github/callback')
-            ->assertText('token')
-            ->assertSuccessful();
-
-        $this->assertDatabaseHas('users', [
-            'name' => 'Test User',
-            'email' => 'test@example.com',
-        ]);
-
-        $this->assertDatabaseHas('oauth_providers', [
-            'user_id' => User::first()->id,
-            'provider' => 'github',
-            'provider_user_id' => '123',
-            'access_token' => 'access-token',
-            'refresh_token' => 'refresh-token',
-        ]);
-    }
-
-    /** @test */
-    public function update_user_and_return_token()
-    {
-        $user = factory(User::class)->create(['email' => 'test@example.com']);
-        $user->oauthProviders()->create([
-            'provider' => 'github',
-            'provider_user_id' => '123',
-        ]);
-
-        $this->mockSocialite('github', [
-            'id' => '123',
-            'email' => 'test@example.com',
-            'token' => 'updated-access-token',
-            'refreshToken' => 'updated-refresh-token',
-        ]);
-
-        $this->get('/api/oauth/github/callback')
-            ->assertText('token')
-            ->assertSuccessful();
-
-        $this->assertDatabaseHas('oauth_providers', [
-            'user_id' => $user->id,
-            'access_token' => 'updated-access-token',
-            'refresh_token' => 'updated-refresh-token',
-        ]);
-    }
-
-    /** @test */
-    public function can_not_create_user_if_email_is_taken()
-    {
-        factory(User::class)->create(['email' => 'test@example.com']);
-
-        $this->mockSocialite('github', ['email' => 'test@example.com']);
-
-        $this->get('/api/oauth/github/callback')
-            ->assertText('Email already taken.')
-            ->assertTextMissing('token')
-            ->assertStatus(400);
-    }
-
-    protected function mockSocialite($provider, $user = null)
-    {
-        $mock = Socialite::shouldReceive('stateless')
-            ->andReturn(m::self())
-            ->shouldReceive('driver')
-            ->with($provider)
-            ->andReturn(m::self());
-
-        if ($user) {
-            $mock->shouldReceive('user')
-                ->andReturn((new SocialiteUser)->setRaw($user)->map($user));
-        } else {
-            $mock->shouldReceive('redirect')
-                ->andReturn(redirect('https://url-to-provider'));
-        }
-    }
-}