$ composer fix

Signed-off-by: Jack Cherng <jfcherng@gmail.com>

Author: jfcherng

tests/DiffHelperTest.php

@@ -80,7 +80,7 @@ public function calculateDataProvider(): array
      */
     public function testCalculateUnified(string $old, string $new, array $expecteds): void
     {
-        $this->assertSame(
+        static::assertSame(
             $expecteds['Unified'],
             DiffHelper::calculate($old, $new, 'Unified')
         );
@@ -98,7 +98,7 @@ public function testCalculateUnified(string $old, string $new, array $expecteds)
      */
     public function testCalculateContext(string $old, string $new, array $expecteds): void
     {
-        $this->assertSame(
+        static::assertSame(
             $expecteds['Context'],
             DiffHelper::calculate($old, $new, 'Context')
         );
@@ -111,6 +111,6 @@ public function testCalculateContext(string $old, string $new, array $expecteds)
      */
     public function testGetStyleSheet(): void
     {
-        $this->assertIsString(DiffHelper::getStyleSheet());
+        static::assertIsString(DiffHelper::getStyleSheet());
     }
 }

tests/DiffTest.php

@@ -65,7 +65,7 @@ public function testGetGroupedOpcodes(string $old, string $new, array $expected)
         $old = \explode("\n", $old);
         $new = \explode("\n", $new);
 
-        $this->assertSame(
+        static::assertSame(
             $expected,
             (new Diff($old, $new))->getGroupedOpcodes()
         );

tests/Utility/LanguageTest.php

@@ -37,13 +37,13 @@ protected function setUp(): void
     public function testSetLanguageOrTranslations(): void
     {
         $this->languageObj->setLanguageOrTranslations('eng');
-        $this->assertArrayHasKey(
+        static::assertArrayHasKey(
             'differences',
             $this->languageObj->getTranslations()
         );
 
         $this->languageObj->setLanguageOrTranslations(['hahaha' => '哈哈哈']);
-        $this->assertArrayHasKey(
+        static::assertArrayHasKey(
             'hahaha',
             $this->languageObj->getTranslations()
         );
@@ -59,7 +59,7 @@ public function testSetLanguageOrTranslations(): void
      */
     public function testGetTranslationsByLanguage(): void
     {
-        $this->assertArrayHasKey(
+        static::assertArrayHasKey(
             'differences',
             $this->languageObj->getTranslationsByLanguage('eng')
         );
@@ -75,12 +75,12 @@ public function testGetTranslationsByLanguage(): void
      */
     public function testTranslate(): void
     {
-        $this->assertSame(
+        static::assertSame(
             'Differences',
             $this->languageObj->translate('differences')
         );
 
-        $this->assertStringMatchesFormat(
+        static::assertStringMatchesFormat(
             '![%s]',
             $this->languageObj->translate('a_non_existing_translation')
         );