diff --git a/src/Services/NationalBankOfUkraine.php b/src/Services/NationalBankOfUkraine.php
index 06c5b43..702d286 100644
--- a/src/Services/NationalBankOfUkraine.php
+++ b/src/Services/NationalBankOfUkraine.php
@@ -53,7 +53,10 @@ public function parseRateData(string $content, string $quoteCurrency): array
             throw new RuntimeException(trans('larate::error.badfloat', ['value' => $value]));
         }
 
-        return [$value, $date];
+        return [
+            'value' => $value,
+            'date' => $date,
+        ];
     }
 
     /**
@@ -70,7 +73,7 @@ public function getExchangeRate(CurrencyPairContract $currencyPair, DateTimeInte
             ])
             : $this->makeRequest(['valcode' => $quoteCurrency]);
 
-        [$value, $responseDate] = $this->parseRateData($content, $quoteCurrency);
+        ['value' => $value, 'date' => $responseDate] = $this->parseRateData($content, $quoteCurrency);
 
         return new ExchangeRate($currencyPair, $value, $responseDate, $this->getName());
     }
diff --git a/src/Services/RussianCentralBank.php b/src/Services/RussianCentralBank.php
index 1599958..156351b 100644
--- a/src/Services/RussianCentralBank.php
+++ b/src/Services/RussianCentralBank.php
@@ -61,7 +61,11 @@ public function parseRateData(string $content, string $quoteCurrency): array
         $nominalStr = (string) $quoteCurrencyData['0']->Nominal;
         $nominal = $fmt->parse($nominalStr);
 
-        return [$value, $nominal, $date];
+        return [
+            'value' => $value,
+            'nominal' => $nominal,
+            'date' => $date,
+        ];
     }
 
     /**
@@ -75,7 +79,7 @@ public function getExchangeRate(CurrencyPairContract $currencyPair, DateTimeInte
             ? $this->makeRequest(['date_req' => $date->format('d/m/Y')])
             : $this->makeRequest();
 
-        [$value, $nominal, $responseDate] = $this->parseRateData($content, $quoteCurrency);
+        ['value' => $value, 'nominal' => $nominal, 'date' => $responseDate] = $this->parseRateData($content, $quoteCurrency);
 
         return new ExchangeRate($currencyPair, $value / $nominal, $responseDate, $this->getName());
     }
diff --git a/tests/Unit/NationalBankOfUkraineTest.php b/tests/Unit/NationalBankOfUkraineTest.php
index a1a70c1..0c7ef41 100644
--- a/tests/Unit/NationalBankOfUkraineTest.php
+++ b/tests/Unit/NationalBankOfUkraineTest.php
@@ -6,6 +6,7 @@
 use Dostrog\Larate\CurrencyPair;
 use Dostrog\Larate\Services\NationalBankOfUkraine;
 use Dostrog\Larate\Tests\TestCase;
+use Exception;
 use Illuminate\Http\Client\Factory;
 use Illuminate\Support\Carbon;
 use Illuminate\Support\Facades\Http;
@@ -53,7 +54,10 @@ public function nbu_parse_rate_data(): void
 </exchange>
 CONTENT;
 
-        self::assertEquals([23.9821, Carbon::parse('16.01.2020')], $this->service->parseRateData($content, 'USD'));
+        self::assertEquals([
+            'value' => 23.9821,
+            'date' => Carbon::parse('16.01.2020'),
+        ], $this->service->parseRateData($content, 'USD'));
     }
 
     /** @test */
@@ -207,7 +211,7 @@ public function rcb_get_exchange_rate_response_throw_exception(): void
         $httpClient = $this->mock(Factory::class);
         $httpClient->shouldReceive('get')
             ->withSomeOfArgs(['url' => NationalBankOfUkraine::URL])
-            ->andThrow(\Exception::class);
+            ->andThrow(Exception::class);
 
         $rcb = new NationalBankOfUkraine($httpClient);
         $pair = new CurrencyPair(self::BASE_CURRENCY, self::QUOTE_CURRENCY);
diff --git a/tests/Unit/RussianCentralBankTest.php b/tests/Unit/RussianCentralBankTest.php
index 31bd079..d13e626 100644
--- a/tests/Unit/RussianCentralBankTest.php
+++ b/tests/Unit/RussianCentralBankTest.php
@@ -6,6 +6,7 @@
 use Dostrog\Larate\CurrencyPair;
 use Dostrog\Larate\Services\RussianCentralBank;
 use Dostrog\Larate\Tests\TestCase;
+use Exception;
 use Illuminate\Http\Client\Factory;
 use Illuminate\Support\Carbon;
 use Illuminate\Support\Facades\Http;
@@ -53,7 +54,9 @@ public function rcb_parse_rate_data(): void
 </ValCurs>
 CONTENT;
 
-        self::assertEquals([418.1800, 1.0, Carbon::parse('16.01.1996')], $this->service->parseRateData($content, 'EEK'));
+        self::assertEquals([
+            'value' => 418.1800, 'nominal' => 1.0, 'date' => Carbon::parse('16.01.1996')
+        ], $this->service->parseRateData($content, 'EEK'));
     }
 
     /** @test */
@@ -152,7 +155,7 @@ public function rcb_get_exchange_rate_for_holiday(): void
         $rate1 = $this->service->getExchangeRate($pair, Carbon::parse($date1))->getValue();
 
         self::assertEquals($expected, $rate0);
-        self::assertEquals($rate0, $rate1);
+        self::assertSame($rate0, $rate1);
     }
 
     /** @test */
@@ -179,7 +182,7 @@ public function rcb_get_exchange_rate_response_throw_exception(): void
         $httpClient = $this->mock(Factory::class);
         $httpClient->shouldReceive('get')
             ->withSomeOfArgs(['url' => RussianCentralBank::URL])
-            ->andThrow(\Exception::class);
+            ->andThrow(Exception::class);
 
 
         $rcb = new RussianCentralBank($httpClient);
@@ -215,6 +218,6 @@ public function rcb_get_exchange_rate_for_past(): void
     /** @test */
     public function rcb_get_name(): void
     {
-        self::assertEquals(self::PROVIDER_NAME, $this->service->getName());
+        self::assertSame(self::PROVIDER_NAME, $this->service->getName());
     }
 }