ejaculated_dateの重複エラーをcatch

tests/Unit/Services/CheckinCsvImporterTest.php

@@ -265,4 +265,19 @@ class CheckinCsvImporterTest extends TestCase
         $this->assertSame(1, $user->ejaculations()->count());
         $this->assertEquals(Ejaculation::SOURCE_CSV, $ejaculation->source);
     }
+
+    public function testDontThrowUniqueKeyViolation()
+    {
+        $user = factory(User::class)->create();
+        factory(Ejaculation::class)->create([
+            'user_id' => $user->id,
+            'ejaculated_date' => Carbon::create(2020, 1, 23, 6, 1, 0, 'Asia/Tokyo')
+        ]);
+
+        $this->expectException(CsvImportException::class);
+        $this->expectExceptionMessage('2 行 : すでにこの日時のチェックインデータが存在します。');
+
+        $importer = new CheckinCsvImporter($user, __DIR__ . '/../../fixture/Csv/date.utf8.csv');
+        $importer->execute();
+    }
 }