diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 5e10090..8972c52 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -38,6 +38,45 @@ jobs:
       - run: npm ci
       - run: npm run compile-test
       - run: npm test
+  ui-test-scarb:
+    name: check scarb from different sources
+    strategy:
+      matrix:
+        from-config: [true, false]
+        from-path: [true, false]
+        from-asdf-local: [true, false]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "22.x"
+          cache: npm
+      # Scarb in PATH
+      - run: |
+          curl --proto '=https' --tlsv1.2 -sSf https://docs.swmansion.com/scarb/install.sh | sh -s -- -v "2.9.1"
+          echo "PATH_SCARB_VERSION=2.9.1" >> $GITHUB_ENV
+        if: ${{ matrix.from-path }}
+
+      # Scarb in config on ~/.local/bin/scarb
+      - run: |
+          curl --proto '=https' --tlsv1.2 -sSf https://docs.swmansion.com/scarb/install.sh | sh -s -- -p -v "2.8.5"
+          echo "CONFIG_SCARB_VERSION=2.8.5" >> $GITHUB_ENV
+        if: ${{ matrix.from-config }}
+
+      # Scarb from asdf
+      - uses: asdf-vm/actions/setup@v3
+        if: ${{ matrix.from-asdf-local }}
+      - run: |
+          asdf plugin add scarb
+          asdf install scarb "2.9.2"
+          asdf local scarb "2.9.2"
+          echo "ASDF_SCARB_VERSION=2.9.2" >> $GITHUB_ENV
+        if: ${{ matrix.from-asdf-local }}
+
+      - run: npm ci
+      - run: npm run compile-test
+      - run: xvfb-run --auto-servernum --server-args='-screen 0 1920x1080x24' npm run ui-test-scarb
   test-ui-parametrized:
     name: test ui
     strategy:
@@ -63,10 +102,12 @@ jobs:
         if: ${{ matrix.os != 'ubuntu-latest'}}
   test-ui:
     if: ${{ always() }}
-    needs: test-ui-parametrized
+    needs:
+      - test-ui-parametrized
+      - ui-test-scarb
     runs-on: ubuntu-latest
     steps:
-      - if: needs.test-ui-parametrized.result == 'success'
+      - if: needs.test-ui-parametrized.result == 'success' && needs.ui-test-scarb.result == 'success'
         run: exit 0
-      - if: needs.test-ui-parametrized.result != 'success'
+      - if: needs.test-ui-parametrized.result != 'success' || needs.ui-test-scarb.result != 'success'
         run: exit 1
diff --git a/package.json b/package.json
index c4b66aa..4c55b43 100644
--- a/package.json
+++ b/package.json
@@ -174,7 +174,8 @@
     "lint-eslint": "eslint .",
     "lint-fmt": "prettier --check .",
     "test": "node --test out/test/**/*.js",
-    "ui-test": "extest setup-and-run './out/ui-test/*.js' --code_version max --code_settings ui-test/settings.json --extensions_dir .test-extensions"
+    "ui-test-scarb": "extest setup-and-run './out/ui-test/scarb/*.js' --code_version max --code_settings ui-test/settings.json --extensions_dir .test-extensions",
+    "ui-test": "extest setup-and-run './out/ui-test/generic/*.js' --code_version max --code_settings ui-test/settings.json --extensions_dir .test-extensions"
   },
   "engines": {
     "vscode": "^1.84.0"
diff --git a/test-support/page-objects/cairoStatusBarItem.ts b/test-support/page-objects/cairoStatusBarItem.ts
new file mode 100644
index 0000000..3ab1314
--- /dev/null
+++ b/test-support/page-objects/cairoStatusBarItem.ts
@@ -0,0 +1,22 @@
+import { StatusBar, WebElement } from "vscode-extension-tester";
+
+export async function getStatusBarItem(): Promise<WebElement | undefined> {
+  const items = await new StatusBar().getItems();
+
+  for (const item of items) {
+    try {
+      // This can throw StaleElementReferenceError because item was destroyed before reading its text.
+      const text = await item.getText();
+
+      if (text.startsWith("Cairo")) {
+        return item;
+      }
+    } catch {
+      // No need to do anything here.
+      // If this was cairo status bar we will simply return after loop.
+      // Else it is not interesting for us anyway.
+    }
+  }
+
+  return undefined;
+}
diff --git a/ui-test/expandMacro.ts b/ui-test/generic/expandMacro.ts
similarity index 97%
rename from ui-test/expandMacro.ts
rename to ui-test/generic/expandMacro.ts
index e0c43c6..5722928 100644
--- a/ui-test/expandMacro.ts
+++ b/ui-test/generic/expandMacro.ts
@@ -1,6 +1,6 @@
 import { EditorView, TextEditor, VSBrowser, Workbench } from "vscode-extension-tester";
 import { expect } from "chai";
-import { isScarbAvailable } from "../test-support/scarb";
+import { isScarbAvailable } from "../../test-support/scarb";
 import * as path from "path";
 
 describe("Expand macro test", function () {
diff --git a/ui-test/statusBar.ts b/ui-test/generic/statusBar.ts
similarity index 61%
rename from ui-test/statusBar.ts
rename to ui-test/generic/statusBar.ts
index 419c4ba..32007aa 100644
--- a/ui-test/statusBar.ts
+++ b/ui-test/generic/statusBar.ts
@@ -1,7 +1,8 @@
-import { StatusBar, VSBrowser, WebElement, Workbench } from "vscode-extension-tester";
+import { StatusBar, VSBrowser, Workbench } from "vscode-extension-tester";
 import { expect } from "chai";
-import { isScarbAvailable } from "../test-support/scarb";
+import { isScarbAvailable } from "../../test-support/scarb";
 import * as path from "path";
+import { getStatusBarItem } from "../../test-support/page-objects/cairoStatusBarItem";
 
 describe("Status bar", function () {
   this.timeout(50000);
@@ -26,7 +27,7 @@ describe("Status bar", function () {
 
     if (isScarbAvailable) {
       expect(title).to.match(
-        /Cairo, (Cairo Language Server .+ \(.+\)\n)?Cairo Language\nscarb .+ \(.+\)\ncairo: .+ \(.+\)\nsierra: .+/,
+        /Cairo, (?:Cairo Language Server .+ \(.+\)\n)?Cairo Language\nscarb .+ \(.+\)\ncairo: .+ \(.+\)\nsierra: .+/,
       );
     } else {
       expect(title).to.be.eq("Cairo, Cairo Language");
@@ -48,24 +49,3 @@ describe("Status bar", function () {
     expect(statusBarIsUndefined).to.be.true;
   });
 });
-
-async function getStatusBarItem(): Promise<WebElement | undefined> {
-  const items = await new StatusBar().getItems();
-
-  for (const item of items) {
-    try {
-      // This can throw StaleElementReferenceError because item was destroyed before reading its text.
-      const text = await item.getText();
-
-      if (text.startsWith("Cairo")) {
-        return item;
-      }
-    } catch {
-      // No need to do anything here.
-      // If this was cairo status bar we will simply return after loop.
-      // Else it is not interesting for us anyway.
-    }
-  }
-
-  return undefined;
-}
diff --git a/ui-test/scarb/toolchain_info.ts b/ui-test/scarb/toolchain_info.ts
new file mode 100644
index 0000000..f02a80b
--- /dev/null
+++ b/ui-test/scarb/toolchain_info.ts
@@ -0,0 +1,74 @@
+import { StatusBar, VSBrowser, Workbench } from "vscode-extension-tester";
+import { expect } from "chai";
+import * as path from "path";
+import { getStatusBarItem } from "../../test-support/page-objects/cairoStatusBarItem";
+import { homedir } from "os";
+
+describe("Toolchain info", function () {
+  this.timeout(50000);
+
+  it("Checks correct scarb precedence", async function () {
+    // asdf is in fact in PATH and in our tests it is first scarb in  path, special case this.
+    // It is caused by `@actions/core addPath` implementation.
+    // See: https://github.com/actions/toolkit/blob/01f21badd5a7522507f84558503b56c4deec5326/packages/core/src/core.ts#L107
+    if (process.env.PATH_SCARB_VERSION && process.env.ASDF_SCARB_VERSION) {
+      process.env.PATH_SCARB_VERSION = process.env.ASDF_SCARB_VERSION;
+    }
+
+    const scarbs = [
+      // Order is important here.
+      process.env.CONFIG_SCARB_VERSION,
+      process.env.PATH_SCARB_VERSION,
+      process.env.ASDF_SCARB_VERSION,
+    ];
+
+    const expectedScarbVersion = scarbs.find(Boolean); // Find first with value.
+
+    // Ignore this test locally, it is strictly designed for our CI.
+    if (!expectedScarbVersion) {
+      this.skip();
+    }
+
+    if (process.env.CONFIG_SCARB_VERSION) {
+      const workbench = new Workbench();
+
+      const settings = await workbench.openSettings();
+
+      const setting = await settings.findSetting("Scarb Path", "Cairo1");
+
+      setting.setValue(path.join(homedir(), ".local", "bin", "scarb"));
+
+      await workbench.executeCommand("Cairo: Reload workspace");
+    }
+
+    await VSBrowser.instance.openResources(path.join("ui-test", "fixtures", "empty"));
+
+    const statusBar = await VSBrowser.instance.driver.wait(getStatusBarItem, 5000);
+
+    expect(statusBar).to.not.be.undefined;
+
+    const title = await statusBar!.getAttribute(StatusBar["locators"].StatusBar.itemTitle);
+
+    const matches =
+      /Cairo, (?:Cairo Language Server .+ \(.+\)\n)?Cairo Language\nscarb (.+) \(.+\)\ncairo: .+ \(.+\)\nsierra: .+/.exec(
+        title,
+      );
+
+    expect(matches).to.not.be.undefined;
+
+    const scarbVersion = matches![1];
+
+    expect(scarbVersion).to.be.eq(expectedScarbVersion);
+  });
+});
+
+declare global {
+  // eslint-disable-next-line @typescript-eslint/no-namespace
+  namespace NodeJS {
+    interface ProcessEnv {
+      ASDF_SCARB_VERSION?: string;
+      CONFIG_SCARB_VERSION?: string;
+      PATH_SCARB_VERSION?: string;
+    }
+  }
+}