Minor spacing CS adjustments

Fixes:

```

FILE: ...n/test/unit/SourceLocator/SourceStubber/PhpStormStubsSourceStubberTest.php
Time: 7.21 secs; Memory: 74MB
--------------------------------------------------------------------------------
FOUND 2 ERRORS AFFECTING 2 LINES
--------------------------------------------------------------------------------
 770 | ERROR | [x] Equals sign not aligned with surrounding assignments;
     |       |     expected 48 spaces but found 1 space
     |       |     (Generic.Formatting.MultipleStatementAlignment.NotSame)
 775 | ERROR | [x] Equals sign not aligned with surrounding assignments;
     |       |     expected 49 spaces but found 1 space
     |       |     (Generic.Formatting.MultipleStatementAlignment.NotSame)
--------------------------------------------------------------------------------
PHPCBF CAN FIX THE 2 MARKED SNIFF VIOLATIONS AUTOMATICALLY
--------------------------------------------------------------------------------
```

Author: Ocramius

test/unit/SourceLocator/SourceStubber/PhpStormStubsSourceStubberTest.php

@@ -768,14 +768,17 @@ public function testUpdateConstantValue(): void
         $stubDirectoryReflection->setValue($sourceStubber, __DIR__ . '/../../Fixture');
 
         $classMapReflection = $stubberReflection->getProperty('classMap');
+
         $classMapValue                                                     = $classMapReflection->getValue();
         $classMapValue['roave\betterreflectiontest\fixture\fakeconstants'] = 'fakeconstants/FakeConstantsStub.php';
         $classMapReflection->setValue($classMapReflection, $classMapValue);
 
         $constantMapReflection = $stubberReflection->getProperty('constantMap');
+
         $constantMapValue                                                      = $constantMapReflection->getValue();
         $constantMapValue['define_constant']                                   = 'fakeconstants/FakeConstantsStub.php';
         $constantMapValue['roave\betterreflectiontest\fixture\const_constant'] = 'fakeconstants/FakeConstantsStub.php';
+
         $constantMapReflection->setValue($constantMapReflection, $constantMapValue);
 
         $classConstantStub = $sourceStubber->generateClassStub('Roave\BetterReflectionTest\Fixture\FakeConstants');