diff --git a/core/lib/Drupal/Core/Extension/InfoParserDynamic.php b/core/lib/Drupal/Core/Extension/InfoParserDynamic.php
index 43a2c85176..e83831e8e0 100644
--- a/core/lib/Drupal/Core/Extension/InfoParserDynamic.php
+++ b/core/lib/Drupal/Core/Extension/InfoParserDynamic.php
@@ -110,6 +110,8 @@ public function parse($filename) {
             // Non-core extensions must specify core compatibility.
             throw new InfoParserException("If the 'core' or 'core_version_requirement' key is not provided a composer.json file is required in $filename");
           }
+        }
+        if (file_exists($composer_filename)) {
           $parsed_info += $this->parseComposerFile($composer_filename);
         }
 
diff --git a/core/modules/system/tests/modules/composer_core_incompatible_test/composer.json b/core/modules/system/tests/modules/composer_core_incompatible_test/composer.json
index 985a012569..a3cb33ff03 100644
--- a/core/modules/system/tests/modules/composer_core_incompatible_test/composer.json
+++ b/core/modules/system/tests/modules/composer_core_incompatible_test/composer.json
@@ -1,5 +1,7 @@
 {
   "name": "drupal/composer_core_incompatible_test",
+  "description": "A test composer file",
+  "license": "GPL-2.0-or-later",
   "type": "drupal-module",
   "require":  {
     "drupal/core": "^100"
diff --git a/core/modules/system/tests/modules/composer_dependencies_test/composer.json b/core/modules/system/tests/modules/composer_dependencies_test/composer.json
index d23f00a4e7..ec9d6ff0f7 100644
--- a/core/modules/system/tests/modules/composer_dependencies_test/composer.json
+++ b/core/modules/system/tests/modules/composer_dependencies_test/composer.json
@@ -1,5 +1,7 @@
 {
   "name": "drupal/composer_dependencies_test",
+  "description": "A test composer file",
+  "license": "GPL-2.0-or-later",
   "type": "drupal-module",
   "require":  {
     "drupal/core": "^8.8",
diff --git a/core/modules/system/tests/modules/composer_incompatible_core_composer_depend_test/composer.json b/core/modules/system/tests/modules/composer_incompatible_core_composer_depend_test/composer.json
index 8c32cc7a87..07581995b7 100644
--- a/core/modules/system/tests/modules/composer_incompatible_core_composer_depend_test/composer.json
+++ b/core/modules/system/tests/modules/composer_incompatible_core_composer_depend_test/composer.json
@@ -1,5 +1,7 @@
 {
   "name": "drupal/composer_incompatible_core_composer_depend_test",
+  "description": "A test composer file",
+  "license": "GPL-2.0-or-later",
   "type": "drupal-module",
   "require":  {
     "drupal/core": "^8.8",
diff --git a/core/modules/system/tests/modules/composer_incompatible_core_depend_test/composer.json b/core/modules/system/tests/modules/composer_incompatible_core_depend_test/composer.json
index 6b8a4532a6..237b5af5e5 100644
--- a/core/modules/system/tests/modules/composer_incompatible_core_depend_test/composer.json
+++ b/core/modules/system/tests/modules/composer_incompatible_core_depend_test/composer.json
@@ -1,5 +1,7 @@
 {
   "name": "drupal/composer_incompatible_core_depend_test",
+  "description": "A test composer file",
+  "license": "GPL-2.0-or-later",
   "type": "drupal-module",
   "require":  {
     "drupal/core": "^8.8",
diff --git a/core/modules/system/tests/modules/composer_incompatible_module_version_dependencies_test/composer.json b/core/modules/system/tests/modules/composer_incompatible_module_version_dependencies_test/composer.json
index a04dbb51d5..875dfef22c 100644
--- a/core/modules/system/tests/modules/composer_incompatible_module_version_dependencies_test/composer.json
+++ b/core/modules/system/tests/modules/composer_incompatible_module_version_dependencies_test/composer.json
@@ -1,5 +1,7 @@
 {
   "name": "drupal/composer_incompatible_module_version_dependencies_test",
+  "description": "A test composer file",
+  "license": "GPL-2.0-or-later",
   "type": "drupal-module",
   "require":  {
     "drupal/core": "^8.8",
diff --git a/core/modules/system/tests/modules/system_composer_dependencies_test/composer.json b/core/modules/system/tests/modules/system_composer_dependencies_test/composer.json
index b273b741a1..abc9de2db0 100644
--- a/core/modules/system/tests/modules/system_composer_dependencies_test/composer.json
+++ b/core/modules/system/tests/modules/system_composer_dependencies_test/composer.json
@@ -1,6 +1,7 @@
 {
     "name": "drupal/system_composer_dependencies_test",
     "description": "Support module for testing system composer dependencies.",
+    "license": "GPL-2.0-or-later",
     "type": "drupal-module",
     "require": {
         "drupal/core": "^8.8",
diff --git a/core/modules/system/tests/modules/system_core_composer_test/composer.json b/core/modules/system/tests/modules/system_core_composer_test/composer.json
index a6d34d7743..63b42db1fc 100644
--- a/core/modules/system/tests/modules/system_core_composer_test/composer.json
+++ b/core/modules/system/tests/modules/system_core_composer_test/composer.json
@@ -1,5 +1,7 @@
 {
   "name": "drupal/system_core_composer_test",
+  "description": "A test composer file",
+  "license": "GPL-2.0-or-later",
   "type": "drupal-module",
   "require":  {
     "drupal/core": "^8.8 || ^9 || ^10 || ^11 || ^12 || ^13"
diff --git a/core/tests/Drupal/Tests/Core/Extension/InfoParserUnitTest.php b/core/tests/Drupal/Tests/Core/Extension/InfoParserUnitTest.php
index 43d6b63b17..7307b7e1c1 100644
--- a/core/tests/Drupal/Tests/Core/Extension/InfoParserUnitTest.php
+++ b/core/tests/Drupal/Tests/Core/Extension/InfoParserUnitTest.php
@@ -581,6 +581,59 @@ public function testComposerJson() {
 
   }
 
+  /**
+   * Tests a composer.json file with module in 'Testing' package.
+   *
+   * @covers ::parse
+   */
+  public function testComposerJsonTestPackage() {
+    $common_info = <<<COMMONTEST
+name: Common test
+type: module
+description: 'testing info file parsing'
+simple_string: 'A simple string'
+version: "VERSION"
+double_colon: dummyClassName::method
+package: Testing
+COMMONTEST;
+
+    $common_json = <<<COMMONTEST_JSON
+{
+"name": "drupal/common_test",
+"description": "testing info file parsing",
+"type": "drupal-module",
+"license": "GPL-2.0-or-later",
+"require": {
+"drupal/core": "^8.8",
+"drupal/field": "~8.0",
+"smurfcore/log": "~1.0"
+},
+"version": "VERSION"
+}
+COMMONTEST_JSON;
+
+    vfsStream::setup('modules');
+    foreach (['1', '2'] as $file_delta) {
+      $folder = "fixtures_$file_delta";
+      vfsStream::create([
+        $folder => [
+          'common_no_dependencies_test.info.yml' => $common_info,
+          'composer.json' => $common_json,
+        ],
+      ]);
+      $info_values = $this->infoParser->parse(vfsStream::url("modules/$folder/common_no_dependencies_test.info.yml"));
+      $this->assertEquals('A simple string', $info_values['simple_string']);
+      $this->assertEquals(\Drupal::VERSION, $info_values['version']);
+      $this->assertEquals('Common test', $info_values['name']);
+      $this->assertFalse(isset($info_values['dependencies']));
+      $this->assertSame(['field' => '~8.0'], $info_values[InfoParserDynamic::COMPOSER_DEPENDENCIES]);
+      $this->assertSame(\Drupal::VERSION, $info_values['core_version_requirement']);
+      $this->assertFalse(isset($info_values['core']));
+      $this->assertEquals('module', $info_values['type']);
+    }
+
+  }
+
   /**
    * Tests a composer.json file with invalid 'drupal/core' value.
    *