diff --git a/plugins/search-backend-module-catalog/src/alpha.test.ts b/plugins/search-backend-module-catalog/src/alpha.test.ts
new file mode 100644
index 0000000000..8a3082c6aa
--- /dev/null
+++ b/plugins/search-backend-module-catalog/src/alpha.test.ts
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2023 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { startTestBackend } from '@backstage/backend-test-utils';
+import { searchIndexRegistryExtensionPoint } from '@backstage/plugin-search-backend-node/alpha';
+import { searchModuleCatalogCollator } from './alpha';
+
+describe('searchModuleCatalogCollator', () => {
+  const schedule = {
+    frequency: { minutes: 10 },
+    timeout: { minutes: 15 },
+    initialDelay: { seconds: 3 },
+  };
+
+  it('should register the catalog collator to the search index registry extension point with factory and schedule', async () => {
+    const extensionPointMock = {
+      addCollator: jest.fn(),
+    };
+
+    await startTestBackend({
+      extensionPoints: [
+        [searchIndexRegistryExtensionPoint, extensionPointMock],
+      ],
+      features: [searchModuleCatalogCollator({ schedule })],
+    });
+
+    expect(extensionPointMock.addCollator).toHaveBeenCalledTimes(1);
+    expect(extensionPointMock.addCollator).toHaveBeenCalledWith({
+      factory: expect.objectContaining({ type: 'software-catalog' }),
+      schedule: expect.objectContaining({ run: expect.any(Function) }),
+    });
+  });
+});
diff --git a/plugins/search-backend-module-explore/src/alpha.test.ts b/plugins/search-backend-module-explore/src/alpha.test.ts
new file mode 100644
index 0000000000..9b133f0fd5
--- /dev/null
+++ b/plugins/search-backend-module-explore/src/alpha.test.ts
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2023 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { startTestBackend } from '@backstage/backend-test-utils';
+import { searchIndexRegistryExtensionPoint } from '@backstage/plugin-search-backend-node/alpha';
+import { searchModuleExploreCollator } from './alpha';
+
+describe('searchModuleExploreCollator', () => {
+  const schedule = {
+    frequency: { minutes: 10 },
+    timeout: { minutes: 15 },
+    initialDelay: { seconds: 3 },
+  };
+
+  it('should register the explore collator to the search index registry extension point with factory and schedule', async () => {
+    const extensionPointMock = {
+      addCollator: jest.fn(),
+    };
+
+    await startTestBackend({
+      extensionPoints: [
+        [searchIndexRegistryExtensionPoint, extensionPointMock],
+      ],
+      features: [searchModuleExploreCollator({ schedule })],
+    });
+
+    expect(extensionPointMock.addCollator).toHaveBeenCalledTimes(1);
+    expect(extensionPointMock.addCollator).toHaveBeenCalledWith({
+      factory: expect.objectContaining({ type: 'tools' }),
+      schedule: expect.objectContaining({ run: expect.any(Function) }),
+    });
+  });
+});
diff --git a/plugins/search-backend-module-techdocs/src/alpha.test.ts b/plugins/search-backend-module-techdocs/src/alpha.test.ts
new file mode 100644
index 0000000000..011b00b12c
--- /dev/null
+++ b/plugins/search-backend-module-techdocs/src/alpha.test.ts
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2023 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { startTestBackend } from '@backstage/backend-test-utils';
+import { searchIndexRegistryExtensionPoint } from '@backstage/plugin-search-backend-node/alpha';
+import { searchModuleTechDocsCollator } from './alpha';
+
+describe('searchModuleTechDocsCollator', () => {
+  const schedule = {
+    frequency: { minutes: 10 },
+    timeout: { minutes: 15 },
+    initialDelay: { seconds: 3 },
+  };
+
+  it('should register the techdocs collator to the search index registry extension point with factory and schedule', async () => {
+    const extensionPointMock = {
+      addCollator: jest.fn(),
+    };
+
+    await startTestBackend({
+      extensionPoints: [
+        [searchIndexRegistryExtensionPoint, extensionPointMock],
+      ],
+      features: [searchModuleTechDocsCollator({ schedule })],
+    });
+
+    expect(extensionPointMock.addCollator).toHaveBeenCalledTimes(1);
+    expect(extensionPointMock.addCollator).toHaveBeenCalledWith({
+      factory: expect.objectContaining({ type: 'techdocs' }),
+      schedule: expect.objectContaining({ run: expect.any(Function) }),
+    });
+  });
+});