bugfixes (#3078)

* fix phpdoc
* fix invoice export field order
* prevent empty migration warning
* do not trigger export validation on new timesheets
* update license year
* remove trailing comma in function call for php compatibility
* add new composer plugin config
* bump phpunit schema version

tests/Validator/Constraints/TimesheetExportedValidatorTest.php

@@ -66,8 +66,9 @@ class TimesheetExportedValidatorTest extends ConstraintValidatorTestCase
         $this->validator = $this->createMyValidator(false);
         $this->validator->initialize($this->context);
 
-        $timesheet = new Timesheet();
-        $timesheet->setExported(true);
+        $timesheet = $this->createMock(Timesheet::class);
+        $timesheet->method('isExported')->willReturn(true);
+        $timesheet->method('getId')->willReturn(1);
 
         $this->validator->validate($timesheet, new TimesheetExported());
 
@@ -77,6 +78,20 @@ class TimesheetExportedValidatorTest extends ConstraintValidatorTestCase
             ->assertRaised();
     }
 
+    public function testNotTriggersOnNewTimesheet()
+    {
+        $this->validator = $this->createMyValidator(false);
+        $this->validator->initialize($this->context);
+
+        $timesheet = $this->createMock(Timesheet::class);
+        $timesheet->method('isExported')->willReturn(true);
+        $timesheet->method('getId')->willReturn(null);
+
+        $this->validator->validate($timesheet, new TimesheetExported());
+
+        $this->assertNoViolation();
+    }
+
     public function testDoesNotTriggerWithPermission()
     {
         $this->validator = $this->createMyValidator(true);