[#3387173] - Add hasMatchingContext method and test to ContextHandler

Closes #2942605

core/lib/Drupal/Core/Plugin/Context/ContextHandler.php

@@ -61,7 +61,7 @@ protected function getContextDefinitions($plugin_definition) {
    */
   public function checkRequirements(array $contexts, array $requirements) {
     foreach ($requirements as $requirement) {
-      if ($requirement->isRequired() && !$this->getMatchingContexts($contexts, $requirement)) {
+      if ($requirement->isRequired() && !$this->hasMatchingContext($contexts, $requirement)) {
         return FALSE;
       }
     }
@@ -77,6 +77,18 @@ public function getMatchingContexts(array $contexts, ContextDefinitionInterface
     });
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function hasMatchingContext(array $contexts, ContextDefinitionInterface $definition): bool {
+    foreach ($contexts as $context) {
+      if ($definition->isSatisfiedBy($context)) {
+        return TRUE;
+      }
+    }
+    return FALSE;
+  }
+
   /**
    * {@inheritdoc}
    */