diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index b50d0d44149..2fa7444d8ed 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -78,7 +78,7 @@ jobs:
       - name: Script tests
         run: ./mach test-scripts
       - name: Unit tests
-        if: ${{ inputs.unit-tests }}
+        if: ${{ inputs.unit-tests || github.ref_name == 'try-linux' }}
         run: python3 ./mach test-unit --release --with-${{ env.LAYOUT }}
       - name: Rename build timing
         run: cp -r target/cargo-timings target/cargo-timings-linux-${{ env.LAYOUT }}
diff --git a/.github/workflows/mac.yml b/.github/workflows/mac.yml
index e679881158f..030900050e5 100644
--- a/.github/workflows/mac.yml
+++ b/.github/workflows/mac.yml
@@ -66,7 +66,7 @@ jobs:
       - name: Script tests
         run: ./mach test-scripts
       - name: Unit tests
-        if: ${{ inputs.unit-tests }}
+        if: ${{ inputs.unit-tests || github.ref_name == 'try-mac' }}
         run: python3 ./mach test-unit --release --with-${{ env.LAYOUT }}
       - name: Package
         run: python3 ./mach package --release
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index db6f5c76856..5702efeb0c7 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -70,7 +70,7 @@ jobs:
       - name: Smoketest
         run: python mach smoketest --angle
       - name: Unit tests
-        if: ${{ inputs.unit-tests }}
+        if: ${{ inputs.unit-tests || github.ref_name == 'try-windows' }}
         run: python mach test-unit --release --with-${{ env.LAYOUT }}
       - name: Rename build timing
         run: cp C:\a\servo\servo\target\cargo-timings C:\a\servo\servo\target\cargo-timings-windows-${{ env.LAYOUT }} -Recurse