Fix: Run the unit:integrations vitest project in CI and de-rot its version test

integrations/test/version_test.ts

@@ -5,10 +5,24 @@
  */
 
 import {version} from '@google/adk-integrations';
+import {readFileSync} from 'node:fs';
 import {describe, expect, it} from 'vitest';
 
+const SEMVER_PATTERN =
+  /^\d+\.\d+\.\d+(?:-[0-9A-Za-z.-]+)?(?:\+[0-9A-Za-z.-]+)?$/;
+
+// release-please rewrites src/version.ts and package.json in the same release
+// commit, so package.json is a self-maintaining oracle; a literal here rots.
+const packageJson = JSON.parse(
+  readFileSync(new URL('../package.json', import.meta.url), 'utf-8'),
+) as {version: string};
+
 describe('version', () => {
-  it('should return the correct version', () => {
-    expect(version).toBe('1.3.0');
+  it('should match the version declared in package.json', () => {
+    expect(version).toBe(packageJson.version);
+  });
+
+  it('should be a valid semver string', () => {
+    expect(version).toMatch(SEMVER_PATTERN);
   });
 });

package.json

@@ -24,12 +24,12 @@
     "docs:generate": "typedoc",
     "docs:serve": "http-server api-reference/typescript",
     "docs:check": "typedoc --emit none --treatWarningsAsErrors",
-    "test": "vitest --project unit:core --project unit:dev --project integration --project e2e",
-    "test:unit": "vitest --project unit:core --project unit:dev",
+    "test": "vitest --project unit:core --project unit:dev --project unit:integrations --project integration --project e2e",
+    "test:unit": "vitest --project unit:core --project unit:dev --project unit:integrations",
     "test:integration": "vitest --project integration",
     "test:e2e": "vitest --project e2e",
     "test:cross-language": "vitest --project cross-language",
-    "test:coverage": "vitest run --project unit:core --project unit:dev --project integration --project e2e --coverage",
+    "test:coverage": "vitest run --project unit:core --project unit:dev --project unit:integrations --project integration --project e2e --coverage",
     "prepare": "husky"
   },
   "workspaces": [