chore(enhanced): add share plugin test

Author: ScriptedAlchemy

packages/enhanced/test/configCases/sharing/layers-share-plugin/index.js

@@ -1,5 +1,6 @@
 import './tests/different-layer.test';
 import './tests/explicit.test';
+import './tests/unlayered.test';
 
 // Test non-layered functionality
 it('should provide and consume a normal library async in a separate shareScope', async () => {

packages/enhanced/test/configCases/sharing/layers-share-plugin/tests/different-layer.test.js

@@ -1,3 +1,6 @@
+/**
+ * Tests for modules shared with different-layer configuration
+ */
 it('should provide and consume lib1 in different-layer', async () => {
   const { default: value, layer } = await import('lib1');
   expect(value).toBe('lib1');

packages/enhanced/test/configCases/sharing/layers-share-plugin/webpack.config.js

@@ -82,6 +82,15 @@ module.exports = {
           version: '0',
           layer: 'required-layer',
         },
+        lib4: {
+          version: '1.0.0',
+          requiredVersion: '^1.0.0',
+          strictVersion: true,
+        },
+        './relative3': {
+          import: './relative3',
+          version: false,
+        },
       },
     }),
   ],