diff --git a/app/components/Viewer/TreeObject.vue b/app/components/Viewer/TreeObject.vue
index 069d9c7e..151581a9 100644
--- a/app/components/Viewer/TreeObject.vue
+++ b/app/components/Viewer/TreeObject.vue
@@ -23,11 +23,9 @@
         return
       }
       const { added, removed } = compareSelections(current, previous)
-
-      added.forEach((item) => {
-        dataStyleStore.setVisibility(item.id, true)
-      })
-
+      for (const item of added) {
+        await dataStyleStore.setVisibility(item.id, true)
+      }
       for (const item of removed) {
         await dataStyleStore.setVisibility(item.id, false)
       }
diff --git a/app/composables/project_manager.js b/app/composables/project_manager.js
index fbafeb21..7590090f 100644
--- a/app/composables/project_manager.js
+++ b/app/composables/project_manager.js
@@ -51,6 +51,7 @@ export function useProjectManager() {
     await viewerStore.request(
       viewer_schemas.opengeodeweb_viewer.viewer.reset_visualization,
       {},
+      undefined,
     )
 
     treeviewStore.clear()
diff --git a/app/stores/viewer.js b/app/stores/viewer.js
index 97fe83ae..b424bc22 100644
--- a/app/stores/viewer.js
+++ b/app/stores/viewer.js
@@ -7,6 +7,8 @@ import { appMode } from "@ogw_front/utils/app_mode"
 import { viewer_call } from "../../internal/utils/viewer_call"
 import { useInfraStore } from "@ogw_front/stores/infra"
 
+const request_timeout = 10 * 1000
+
 export const useViewerStore = defineStore("viewer", {
   state: () => ({
     default_local_port: "1234",
@@ -117,9 +119,14 @@ export const useViewerStore = defineStore("viewer", {
               connectImageStream(validClient.getConnection().getSession())
               viewerStore.client = validClient
               clientToConnect.endBusy()
-              viewer_call(viewerStore, {
-                schema: schemas.opengeodeweb_viewer.viewer.reset_visualization,
-              })
+              viewer_call(
+                viewerStore,
+                {
+                  schema:
+                    schemas.opengeodeweb_viewer.viewer.reset_visualization,
+                },
+                { timeout: undefined },
+              )
               viewerStore.status = Status.CONNECTED
               resolve()
             })
@@ -148,7 +155,7 @@ export const useViewerStore = defineStore("viewer", {
       await this.ws_connect()
       console.log("[VIEWER] Viewer connected successfully")
     },
-    request(schema, params = {}, callbacks = {}) {
+    request(schema, params = {}, callbacks = {}, timeout = request_timeout) {
       console.log("[VIEWER] Request:", schema.$id)
 
       return viewer_call(
@@ -163,6 +170,7 @@ export const useViewerStore = defineStore("viewer", {
             }
           },
         },
+        timeout,
       )
     },
   },
diff --git a/app/utils/default_styles.js b/app/utils/default_styles.js
index 58a61bde..09942b26 100644
--- a/app/utils/default_styles.js
+++ b/app/utils/default_styles.js
@@ -1,5 +1,4 @@
 // Global variables
-
 const points_defaultVisibility = true
 const edges_defaultVisibility = true
 const cells_defaultVisibility = true
diff --git a/internal/utils/viewer_call.js b/internal/utils/viewer_call.js
index 72c23978..241c0bef 100644
--- a/internal/utils/viewer_call.js
+++ b/internal/utils/viewer_call.js
@@ -4,7 +4,12 @@ import { useFeedbackStore } from "@ogw_front/stores/feedback"
 export function viewer_call(
   microservice,
   { schema, params = {} },
-  { request_error_function, response_function, response_error_function } = {},
+  {
+    request_error_function,
+    response_function,
+    response_error_function,
+    timeout,
+  } = {},
 ) {
   const feedbackStore = useFeedbackStore()
 
@@ -20,12 +25,13 @@ export function viewer_call(
 
   const client = microservice.client
 
-  return new Promise((resolve, reject) => {
+  const promise = new Promise((resolve, reject) => {
     if (!client.getConnection) {
       resolve()
       return
     }
     microservice.start_request()
+
     client
       .getConnection()
       .getSession()
@@ -60,6 +66,14 @@ export function viewer_call(
         microservice.stop_request()
       })
   })
+  if (timeout !== undefined && timeout > 0) {
+    const timeoutPromise = setTimeout(() => {
+      reject(`${schema.$id}: Timed out after ${timeout}ms, ${schema} ${params}`)
+    }, timeout)
+    return Promise.race([promise, timeoutPromise])
+  } else {
+    return promise
+  }
 }
 
 export default viewer_call
diff --git a/tests/integration/microservices/back/requirements.txt b/tests/integration/microservices/back/requirements.txt
index 3cbc7045..bd3a3ef5 100644
--- a/tests/integration/microservices/back/requirements.txt
+++ b/tests/integration/microservices/back/requirements.txt
@@ -5,4 +5,3 @@
 #    pip-compile --output-file=tests/integration/microservices/back/requirements.txt tests/integration/microservices/back/requirements.in
 #
 
-opengeodeweb-back==6.*,>=6.1.0rc2
diff --git a/tests/integration/microservices/viewer/requirements.txt b/tests/integration/microservices/viewer/requirements.txt
index 39137326..4d097394 100644
--- a/tests/integration/microservices/viewer/requirements.txt
+++ b/tests/integration/microservices/viewer/requirements.txt
@@ -5,4 +5,3 @@
 #    pip-compile --output-file=tests/integration/microservices/viewer/requirements.txt tests/integration/microservices/viewer/requirements.in
 #
 
-opengeodeweb-viewer==1.*,>=1.15.0
diff --git a/tests/integration/setup.js b/tests/integration/setup.js
index 480d9784..5703d0ea 100644
--- a/tests/integration/setup.js
+++ b/tests/integration/setup.js
@@ -25,14 +25,8 @@ import {
 // Local constants
 const data_folder = path.join("tests", "integration", "data")
 
-async function setupIntegrationTests(file_name, geode_object) {
-  const pinia = createTestingPinia({
-    stubActions: false,
-    createSpy: vi.fn,
-  })
-  setActivePinia(pinia)
+async function runMicroservices() {
   const geodeStore = useGeodeStore()
-  // const hybridViewerStore = useHybridViewerStore()
   const infraStore = useInfraStore()
   const viewerStore = useViewerStore()
   infraStore.app_mode = appMode.BROWSER
@@ -61,11 +55,22 @@ async function setupIntegrationTests(file_name, geode_object) {
   geodeStore.default_local_port = back_port
   viewerStore.default_local_port = viewer_port
   console.log("after ports")
+
+  return { back_port, viewer_port, project_folder_path }
+}
+
+async function setupIntegrationTests(file_name, geode_object) {
+  const pinia = createTestingPinia({
+    stubActions: false,
+    createSpy: vi.fn,
+  })
+  setActivePinia(pinia)
+  const viewerStore = useViewerStore()
+
+  const { back_port, viewer_port, project_folder_path } =
+    await runMicroservices()
   await viewerStore.ws_connect()
-  // await hybridViewerStore.initHybridViewer()
-  console.log("after hybridViewerStore.initHybridViewer")
 
-  // await viewerStore.ws_connect()
   const id = await importFile(file_name, geode_object)
   expect(viewerStore.status).toBe(Status.CONNECTED)
   console.log("end of setupIntegrationTests")
@@ -91,4 +96,4 @@ afterAll(() => {
   delete global.WebSocket
 })
 
-export { setupIntegrationTests }
+export { runMicroservices, setupIntegrationTests }
diff --git a/tests/integration/stores/data_style/mesh/cells.nuxt.test.js b/tests/integration/stores/data_style/mesh/cells.nuxt.test.js
index ab449825..c9dadb6b 100644
--- a/tests/integration/stores/data_style/mesh/cells.nuxt.test.js
+++ b/tests/integration/stores/data_style/mesh/cells.nuxt.test.js
@@ -172,4 +172,13 @@ describe("Mesh cells", () => {
       }
     })
   })
+
+  test("Cells apply default style", async () => {
+    const dataStyleStore = useDataStyleStore()
+    const viewerStore = useViewerStore()
+    const result = dataStyleStore.applyMeshCellsStyle(id)
+    expect(result).toBeInstanceOf(Promise)
+    await result
+    expect(viewerStore.status).toBe(Status.CONNECTED)
+  })
 })
diff --git a/tests/integration/stores/data_style/mesh/edges.nuxt.test.js b/tests/integration/stores/data_style/mesh/edges.nuxt.test.js
index 02004893..64cea744 100644
--- a/tests/integration/stores/data_style/mesh/edges.nuxt.test.js
+++ b/tests/integration/stores/data_style/mesh/edges.nuxt.test.js
@@ -154,5 +154,13 @@ describe("Mesh edges", () => {
         expect(viewerStore.status).toBe(Status.CONNECTED)
       }
     })
+    test("Edges apply style", async () => {
+      const dataStyleStore = useDataStyleStore()
+      const viewerStore = useViewerStore()
+      const result = dataStyleStore.applyMeshEdgesStyle(id)
+      expect(result).toBeInstanceOf(Promise)
+      await result
+      expect(viewerStore.status).toBe(Status.CONNECTED)
+    })
   })
 })
diff --git a/tests/integration/stores/data_style/mesh/points.nuxt.test.js b/tests/integration/stores/data_style/mesh/points.nuxt.test.js
index dd0aff00..f48e857a 100644
--- a/tests/integration/stores/data_style/mesh/points.nuxt.test.js
+++ b/tests/integration/stores/data_style/mesh/points.nuxt.test.js
@@ -155,4 +155,13 @@ describe("Mesh points", () => {
       expect(viewerStore.status).toBe(Status.CONNECTED)
     })
   })
+
+  test("Points apply default style", async () => {
+    const dataStyleStore = useDataStyleStore()
+    const viewerStore = useViewerStore()
+    const result = dataStyleStore.applyMeshPointsStyle(id)
+    expect(result).toBeInstanceOf(Promise)
+    await result
+    expect(viewerStore.status).toBe(Status.CONNECTED)
+  })
 })
diff --git a/tests/integration/stores/data_style/mesh/polygons.nuxt.test.js b/tests/integration/stores/data_style/mesh/polygons.nuxt.test.js
index 51ee6254..a7408b95 100644
--- a/tests/integration/stores/data_style/mesh/polygons.nuxt.test.js
+++ b/tests/integration/stores/data_style/mesh/polygons.nuxt.test.js
@@ -176,4 +176,13 @@ describe("Mesh polygons", () => {
       }
     })
   })
+
+  test("Polygons apply default style", async () => {
+    const dataStyleStore = useDataStyleStore()
+    const viewerStore = useViewerStore()
+    const result = dataStyleStore.applyMeshPolygonsStyle(id)
+    expect(result).toBeInstanceOf(Promise)
+    await result
+    expect(viewerStore.status).toBe(Status.CONNECTED)
+  })
 })
diff --git a/tests/integration/stores/data_style/mesh/polyhedra.nuxt.test.js b/tests/integration/stores/data_style/mesh/polyhedra.nuxt.test.js
index c83202f3..ed3ba99f 100644
--- a/tests/integration/stores/data_style/mesh/polyhedra.nuxt.test.js
+++ b/tests/integration/stores/data_style/mesh/polyhedra.nuxt.test.js
@@ -164,4 +164,13 @@ describe("Mesh polyhedra", () => {
     )
     expect(viewerStore.status).toBe(Status.CONNECTED)
   })
+
+  test("Polyhedra apply default style", async () => {
+    const dataStyleStore = useDataStyleStore()
+    const viewerStore = useViewerStore()
+    const result = dataStyleStore.applyMeshPolyhedraStyle(id)
+    expect(result).toBeInstanceOf(Promise)
+    await result
+    expect(viewerStore.status).toBe(Status.CONNECTED)
+  })
 })
diff --git a/tests/integration/stores/data_style/model/blocks.nuxt.test.js b/tests/integration/stores/data_style/model/blocks.nuxt.test.js
index a402e4be..79613c00 100644
--- a/tests/integration/stores/data_style/model/blocks.nuxt.test.js
+++ b/tests/integration/stores/data_style/model/blocks.nuxt.test.js
@@ -74,29 +74,42 @@ describe("Model blocks", () => {
     })
   })
 
-  // describe("Blocks color", () => {
-  //   test("Color red", async () => {
-  //     const dataStyleStore = useDataStyleStore()
-  //     const viewerStore = useViewerStore()
-  //     const dataStore = useDataStore()
-  //     const block_ids = await dataStore.getBlocksGeodeIds(id)
-  //     const block_viewer_ids = dataStore.getMeshComponentsViewerIds(id, block_ids)
-  //     const color = { r: 255, g: 0, b: 0 }
-  //     const spy = vi.spyOn(viewerStore, "request")
-  //     await dataStyleStore.setModelBlocksColor(id, block_ids, color)
-  //     expect(spy).toHaveBeenCalledWith(
-  //       model_blocks_schemas.color,
-  //       { id, block_ids: block_viewer_ids, color },
-  //       {
-  //         response_function: expect.any(Function),
-  //       },
-  //     )
-  //     for (const block_id of block_ids) {
-  //       expect(dataStyleStore.modelBlockColor(id, block_id)).toStrictEqual(
-  //         color,
-  //       )
-  //     }
-  //     expect(viewerStore.status).toBe(Status.CONNECTED)
-  //   })
-  // })
+  describe("Blocks color", () => {
+    test("Color red", async () => {
+      const dataStyleStore = useDataStyleStore()
+      const viewerStore = useViewerStore()
+      const dataStore = useDataStore()
+      const block_ids = await dataStore.getBlocksGeodeIds(id)
+      const block_viewer_ids = await dataStore.getMeshComponentsViewerIds(
+        id,
+        block_ids,
+      )
+      const color = { r: 255, g: 0, b: 0 }
+      const spy = vi.spyOn(viewerStore, "request")
+      await dataStyleStore.setModelBlocksColor(id, block_ids, color)
+      expect(spy).toHaveBeenCalledWith(
+        model_blocks_schemas.color,
+        { id, block_ids: block_viewer_ids, color },
+        {
+          response_function: expect.any(Function),
+        },
+      )
+      for (const block_id of block_ids) {
+        expect(dataStyleStore.modelBlockColor(id, block_id)).toStrictEqual(
+          color,
+        )
+      }
+      expect(viewerStore.status).toBe(Status.CONNECTED)
+    })
+  })
+  describe("Blocks style", () => {
+    test("Blocks apply style", async () => {
+      const dataStyleStore = useDataStyleStore()
+      const viewerStore = useViewerStore()
+      const result = dataStyleStore.applyModelBlocksStyle(id)
+      expect(result).toBeInstanceOf(Promise)
+      await result
+      expect(viewerStore.status).toBe(Status.CONNECTED)
+    })
+  })
 })
diff --git a/tests/integration/stores/data_style/model/corners.nuxt.test.js b/tests/integration/stores/data_style/model/corners.nuxt.test.js
index 5804db71..da16637e 100644
--- a/tests/integration/stores/data_style/model/corners.nuxt.test.js
+++ b/tests/integration/stores/data_style/model/corners.nuxt.test.js
@@ -105,4 +105,15 @@ describe("Model corners", () => {
       expect(viewerStore.status).toBe(Status.CONNECTED)
     })
   })
+
+  describe("Corner style", () => {
+    test("Corners apply style", async () => {
+      const dataStyleStore = useDataStyleStore()
+      const viewerStore = useViewerStore()
+      const result = dataStyleStore.applyModelCornersStyle(id)
+      expect(result).toBeInstanceOf(Promise)
+      await result
+      expect(viewerStore.status).toBe(Status.CONNECTED)
+    })
+  })
 })
diff --git a/tests/integration/stores/data_style/model/edges.nuxt.test.js b/tests/integration/stores/data_style/model/edges.nuxt.test.js
index 49d7f447..08d020d4 100644
--- a/tests/integration/stores/data_style/model/edges.nuxt.test.js
+++ b/tests/integration/stores/data_style/model/edges.nuxt.test.js
@@ -58,4 +58,14 @@ describe("Model edges", () => {
       expect(viewerStore.status).toBe(Status.CONNECTED)
     })
   })
+  describe("Edges style", () => {
+    test("Edges apply style", async () => {
+      const dataStyleStore = useDataStyleStore()
+      const viewerStore = useViewerStore()
+      const result = dataStyleStore.applyModelEdgesStyle(id)
+      expect(result).toBeInstanceOf(Promise)
+      await result
+      expect(viewerStore.status).toBe(Status.CONNECTED)
+    })
+  })
 })
diff --git a/tests/integration/stores/data_style/model/lines.nuxt.test.js b/tests/integration/stores/data_style/model/lines.nuxt.test.js
index 4b8b03d0..a3f5cc64 100644
--- a/tests/integration/stores/data_style/model/lines.nuxt.test.js
+++ b/tests/integration/stores/data_style/model/lines.nuxt.test.js
@@ -97,4 +97,14 @@ describe("Model lines", () => {
       expect(viewerStore.status).toBe(Status.CONNECTED)
     })
   })
+  describe("Lines style", () => {
+    test("Lines apply style", async () => {
+      const dataStyleStore = useDataStyleStore()
+      const viewerStore = useViewerStore()
+      const result = dataStyleStore.applyModelLinesStyle(id)
+      expect(result).toBeInstanceOf(Promise)
+      await result
+      expect(viewerStore.status).toBe(Status.CONNECTED)
+    })
+  })
 })
diff --git a/tests/integration/stores/data_style/model/points.nuxt.test.js b/tests/integration/stores/data_style/model/points.nuxt.test.js
index a9c1f832..022b1240 100644
--- a/tests/integration/stores/data_style/model/points.nuxt.test.js
+++ b/tests/integration/stores/data_style/model/points.nuxt.test.js
@@ -75,4 +75,14 @@ describe("Model points", () => {
       expect(viewerStore.status).toBe(Status.CONNECTED)
     })
   })
+  describe("Points style", () => {
+    test("Points apply style", async () => {
+      const dataStyleStore = useDataStyleStore()
+      const viewerStore = useViewerStore()
+      const result = dataStyleStore.applyModelPointsStyle(id)
+      expect(result).toBeInstanceOf(Promise)
+      await result
+      expect(viewerStore.status).toBe(Status.CONNECTED)
+    })
+  })
 })
diff --git a/tests/integration/stores/data_style/model/surfaces.nuxt.test.js b/tests/integration/stores/data_style/model/surfaces.nuxt.test.js
index 7ae88ffb..a32f5604 100644
--- a/tests/integration/stores/data_style/model/surfaces.nuxt.test.js
+++ b/tests/integration/stores/data_style/model/surfaces.nuxt.test.js
@@ -109,4 +109,14 @@ describe("Model surfaces", () => {
       expect(viewerStore.status).toBe(Status.CONNECTED)
     })
   })
+  describe("Surfaces style", () => {
+    test("Surfaces apply style", async () => {
+      const dataStyleStore = useDataStyleStore()
+      const viewerStore = useViewerStore()
+      const result = dataStyleStore.applyModelSurfacesStyle(id)
+      expect(result).toBeInstanceOf(Promise)
+      await result
+      expect(viewerStore.status).toBe(Status.CONNECTED)
+    })
+  })
 })
diff --git a/tests/integration/stores/viewer.nuxt.test.js b/tests/integration/stores/viewer.nuxt.test.js
new file mode 100644
index 00000000..60b21236
--- /dev/null
+++ b/tests/integration/stores/viewer.nuxt.test.js
@@ -0,0 +1,61 @@
+// Global imports
+
+// Third party imports
+import { setActivePinia } from "pinia"
+import { createTestingPinia } from "@pinia/testing"
+import { describe, test, expect, beforeEach, vi } from "vitest"
+
+import opengeodeweb_viewer_schemas from "@geode/opengeodeweb-viewer/opengeodeweb_viewer_schemas.json"
+
+// Local imports
+import { useViewerStore } from "@ogw_front/stores/viewer"
+import Status from "@ogw_front/utils/status"
+
+import { runMicroservices } from "../../integration/setup"
+
+beforeEach(() => {
+  const pinia = createTestingPinia({
+    stubActions: false,
+    createSpy: vi.fn,
+  })
+  setActivePinia(pinia)
+})
+
+describe("Viewer Store", () => {
+  describe("actions", () => {
+    describe("ws_connect", () => {
+      test("ws_connect", async () => {
+        await runMicroservices()
+        const viewerStore = useViewerStore()
+        await viewerStore.ws_connect()
+        expect(viewerStore.status).toBe(Status.CONNECTED)
+      }, 25000)
+    })
+    describe("connect", () => {
+      test("connect", async () => {
+        await runMicroservices()
+        const viewerStore = useViewerStore()
+        await viewerStore.connect()
+        expect(viewerStore.status).toBe(Status.CONNECTED)
+      }, 25000)
+    })
+
+    describe("request", () => {
+      test("request", async () => {
+        const schema =
+          opengeodeweb_viewer_schemas.opengeodeweb_viewer.viewer.render
+        await runMicroservices()
+        const viewerStore = useViewerStore()
+        const timeout = 1
+        const params = {}
+        expect(() =>
+          viewerStore
+            .request(schema, params, {}, timeout)
+            .rejects.toThrow(
+              `${schema.$id}: Timed out after ${timeout}ms, ${schema} ${params}`,
+            ),
+        )
+      }, 25000)
+    })
+  })
+})
diff --git a/tests/unit/stores/Viewer.nuxt.test.js b/tests/unit/stores/Viewer.nuxt.test.js
index 0e609af1..247af109 100644
--- a/tests/unit/stores/Viewer.nuxt.test.js
+++ b/tests/unit/stores/Viewer.nuxt.test.js
@@ -1,5 +1,4 @@
 // Global imports
-import path from "path"
 
 // Third party imports
 import { setActivePinia } from "pinia"
@@ -16,13 +15,10 @@ import {
 } from "vitest"
 
 import { WebSocket } from "ws"
-
 // Local imports
 import { useViewerStore } from "@ogw_front/stores/viewer"
 import { useInfraStore } from "@ogw_front/stores/infra"
-
 import { appMode } from "@ogw_front/utils/app_mode"
-import Status from "@ogw_front/utils/status"
 
 // Mock navigator.locks API
 const mockLockRequest = vi.fn().mockImplementation(async (name, callback) => {
@@ -121,9 +117,10 @@ describe("Viewer Store", () => {
     describe("base_url", () => {
       test("test app_mode DESKTOP", () => {
         const infraStore = useInfraStore()
+        const viewerStore = useViewerStore()
         infraStore.app_mode = appMode.DESKTOP
         infraStore.domain_name = "localhost"
-        // expect(viewerStore.base_url).toBe("ws://localhost:1234/ws")
+        expect(viewerStore.base_url).toBe("ws://localhost:1234/ws")
       })
 
       test("test app_mode CLOUD", () => {
@@ -162,24 +159,6 @@ describe("Viewer Store", () => {
     })
   })
   describe("actions", () => {
-    // test("ws_connect", async () => {
-    //   const infraStore = useInfraStore()
-    //   const viewerStore = useViewerStore()
-    //   infraStore.app_mode = appMode.BROWSER
-    //   const viewer_path = path.join(
-    //     executable_path(
-    //       path.join("tests", "integration", "microservices", "viewer"),
-    //     ),
-    //     executable_name("opengeodeweb_viewer"),
-    //   )
-    //   const viewer_port = await run_viewer(viewer_path, {
-    //     port: 1234,
-    //     data_folder_path: "./data",
-    //   })
-    //   viewerStore.default_local_port = viewer_port
-    //   await viewerStore.ws_connect()
-    //   expect(viewerStore.status).toBe(Status.CONNECTED)
-    // }, 10000)
     describe("toggle_picking_mode", () => {
       test("test true", async () => {
         const viewerStore = useViewerStore()