diff --git a/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php b/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
index 8c66dd0..11575a9 100644
--- a/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
+++ b/core/modules/rest/tests/src/Functional/EntityResource/EntityResourceTestBase.php
@@ -285,6 +285,23 @@ protected function getNormalizedPatchEntity() {
   }
 
   /**
+   * Gets the second normalized POST entity.
+   *
+   * Entity types can have non-sequential IDs, and in that case the second
+   * entity created for POST testing needs to be able to specify a different ID.
+   *
+   * @see ::testPost
+   * @see ::getNormalizedPostEntity
+   *
+   * @return array
+   *   An array structure as returned by ::getNormalizedPostEntity().
+   */
+  protected function getSecondNormalizedPostEntity() {
+    // Return the values of the "parent" method by default.
+    return $this->getNormalizedPostEntity();
+  }
+
+  /**
    * Gets the normalized POST entity with random values for its unique fields.
    *
    * @see ::testPost
@@ -765,7 +782,7 @@ public function testPost() {
     // Try with all of the following request bodies.
     $unparseable_request_body = '!{>}<';
     $parseable_valid_request_body   = $this->serializer->encode($this->getNormalizedPostEntity(), static::$format);
-    $parseable_valid_request_body_2 = $this->serializer->encode($this->getNormalizedPostEntity(), static::$format);
+    $parseable_valid_request_body_2 = $this->serializer->encode($this->getSecondNormalizedPostEntity(), static::$format);
     $parseable_invalid_request_body = $this->serializer->encode($this->makeNormalizationInvalid($this->getNormalizedPostEntity(), 'label'), static::$format);
     $parseable_invalid_request_body_2 = $this->serializer->encode($this->getNormalizedPostEntity() + ['uuid' => [$this->randomMachineName(129)]], static::$format);
     $parseable_invalid_request_body_3 = $this->serializer->encode($this->getNormalizedPostEntity() + ['field_rest_test' => [['value' => $this->randomString()]]], static::$format);
diff --git a/core/modules/workspace/src/WorkspaceManager.php b/core/modules/workspace/src/WorkspaceManager.php
index fca0f95..bdba834 100644
--- a/core/modules/workspace/src/WorkspaceManager.php
+++ b/core/modules/workspace/src/WorkspaceManager.php
@@ -175,7 +175,7 @@ public function setActiveWorkspace(WorkspaceInterface $workspace) {
     // If the current user doesn't have access to view the workspace, they
     // shouldn't be allowed to switch to it.
     if (!$workspace->access('view') && !$workspace->isDefaultWorkspace()) {
-      $this->logger->error('Denied access to view workspace {workspace}', ['workspace' => $workspace->label()]);
+      $this->logger->error('Denied access to view workspace %workspace_label', ['%workspace_label' => $workspace->label()]);
       throw new WorkspaceAccessException('The user does not have permission to view that workspace.');
     }
 
diff --git a/core/modules/workspace/workspace.info.yml b/core/modules/workspace/workspace.info.yml
index 9599e07..fad98f8 100644
--- a/core/modules/workspace/workspace.info.yml
+++ b/core/modules/workspace/workspace.info.yml
@@ -5,5 +5,3 @@ version: VERSION
 core: 8.x
 package: Core (Experimental)
 configure: entity.workspace.collection
-dependencies:
- - user