fix(UnusedPrivateMethod): Allow private constructor methods (#3079227)

coder_sniffer/DrupalPractice/Sniffs/Objects/UnusedPrivateMethodSniff.php

@@ -55,6 +55,10 @@ class UnusedPrivateMethodSniff extends AbstractScopeSniff
         $tokens     = $phpcsFile->getTokens();
         $methodName = $phpcsFile->getDeclarationName($stackPtr);
 
+        if ($methodName === '__construct') {
+            return;
+        }
+
         $classPtr = key($tokens[$stackPtr]['conditions']);
 
         // Search for direct $this->methodCall() or indirect callbacks [$this,

coder_sniffer/DrupalPractice/Test/Objects/UnusedPrivateMethodUnitTest.inc

@@ -2,6 +2,13 @@
 
 class Test {
 
+  /**
+   * Private constructor in case class can be instantiated.
+   */
+  private function __construct() {
+
+  }
+
   /**
    * Method is not called from anywhere in the class.
    */

coder_sniffer/DrupalPractice/Test/Objects/UnusedPrivateMethodUnitTest.php

@@ -33,7 +33,7 @@ class UnusedPrivateMethodUnitTest extends CoderSniffUnitTest
      */
     protected function getWarningList()
     {
-        return [8 => 1];
+        return [15 => 1];
 
     }//end getWarningList()