diff --git a/src/Standards/Generic/Tests/Formatting/SpaceAfterNotUnitTest.inc b/src/Standards/Generic/Tests/Formatting/SpaceAfterNotUnitTest.1.inc
similarity index 100%
rename from src/Standards/Generic/Tests/Formatting/SpaceAfterNotUnitTest.inc
rename to src/Standards/Generic/Tests/Formatting/SpaceAfterNotUnitTest.1.inc
diff --git a/src/Standards/Generic/Tests/Formatting/SpaceAfterNotUnitTest.inc.fixed b/src/Standards/Generic/Tests/Formatting/SpaceAfterNotUnitTest.1.inc.fixed
similarity index 100%
rename from src/Standards/Generic/Tests/Formatting/SpaceAfterNotUnitTest.inc.fixed
rename to src/Standards/Generic/Tests/Formatting/SpaceAfterNotUnitTest.1.inc.fixed
diff --git a/src/Standards/Generic/Tests/Formatting/SpaceAfterNotUnitTest.2.inc b/src/Standards/Generic/Tests/Formatting/SpaceAfterNotUnitTest.2.inc
new file mode 100644
index 0000000000..2d6fa80a80
--- /dev/null
+++ b/src/Standards/Generic/Tests/Formatting/SpaceAfterNotUnitTest.2.inc
@@ -0,0 +1,7 @@
+<?php
+
+// Intentional parse error.
+// This should be the only test in this file.
+// Testing that the sniff is *not* triggered.
+
+if (!
diff --git a/src/Standards/Generic/Tests/Formatting/SpaceAfterNotUnitTest.php b/src/Standards/Generic/Tests/Formatting/SpaceAfterNotUnitTest.php
index f79cc7b987..a439517ad4 100644
--- a/src/Standards/Generic/Tests/Formatting/SpaceAfterNotUnitTest.php
+++ b/src/Standards/Generic/Tests/Formatting/SpaceAfterNotUnitTest.php
@@ -33,7 +33,7 @@ final class SpaceAfterNotUnitTest extends AbstractSniffUnitTest
     public function getErrorList($testFile='')
     {
         switch ($testFile) {
-        case 'SpaceAfterNotUnitTest.inc':
+        case 'SpaceAfterNotUnitTest.1.inc':
             return [
                 3  => 2,
                 4  => 2,