style(FunctionT): Fix coding standard spacing in test (#3326197)

tests/Drupal/Semantics/FunctionTUnitTest.inc

@@ -20,7 +20,7 @@ $x = '<p>' . t('Test') . '</p><p>More text.</p>';
 $x = t('Test') . ' (disabled)';
 
 class Test {
-  const FOO='bar';
+  const FOO = 'bar';
 
   public function doSomething() {
     return $this->t('This string should avoid backslashes for \'');
@@ -42,7 +42,6 @@ class Test {
 }
 
 // Using constants in t() should be allowed.
-const FOO2='bar2';
+const FOO2 = 'bar2';
 $x = t(FOO2);
 $x = t(Test::FOO);
-