diff --git a/.github/workflows/tests-main-workspace.yaml b/.github/workflows/tests-main-workspace.yaml
new file mode 100644
index 0000000..9673c3b
--- /dev/null
+++ b/.github/workflows/tests-main-workspace.yaml
@@ -0,0 +1,25 @@
+# *******************************************************************************
+# Copyright (c) 2025 Contributors to the Eclipse Foundation
+#
+# See the NOTICE file(s) distributed with this work for additional
+# information regarding copyright ownership.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Apache License Version 2.0 which is available at
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# SPDX-License-Identifier: Apache-2.0
+# *******************************************************************************
+
+name: Run all tests of the main workspace
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  run-all-tests:
+    name: run main workspace tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: bazelbuild/setup-bazelisk@v3
+      - run: ./scripts/run_all_tests.sh main
diff --git a/.github/workflows/tests-test-workspace.yaml b/.github/workflows/tests-test-workspace.yaml
new file mode 100644
index 0000000..1b3d88d
--- /dev/null
+++ b/.github/workflows/tests-test-workspace.yaml
@@ -0,0 +1,25 @@
+# *******************************************************************************
+# Copyright (c) 2025 Contributors to the Eclipse Foundation
+#
+# See the NOTICE file(s) distributed with this work for additional
+# information regarding copyright ownership.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Apache License Version 2.0 which is available at
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# SPDX-License-Identifier: Apache-2.0
+# *******************************************************************************
+
+name: Run tests in test workspace
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  run-all-tests:
+    name: run test workspace tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: bazelbuild/setup-bazelisk@v3
+      - run: ./scripts/run_all_tests.sh test
diff --git a/scripts/run_all_tests.sh b/scripts/run_all_tests.sh
index e26095b..afc8e55 100755
--- a/scripts/run_all_tests.sh
+++ b/scripts/run_all_tests.sh
@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 # *******************************************************************************
 # Copyright (c) 2025 Contributors to the Eclipse Foundation
 #
@@ -10,7 +11,7 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 # *******************************************************************************
-#!/usr/bin/env bash
+
 set -u
 
 GREEN='\033[0;32m'
@@ -21,6 +22,7 @@ RESET='\033[0m'
 declare -A command_status
 declare -a command_order
 exit_code=0
+[ $# -gt 0 ] && workspace=$1 || workspace="all"
 
 
 interrupt_handler(){
@@ -48,51 +50,57 @@ run_command(){
 	command_order+=("$name")
 }
 
-# Run bazel test with workspace mode and python 3.9.
-# TODO re-enable once the score targets (like //:docs) support bazel workspace mode and more than python 3.12
-# run_command "bazel --output_base=$HOME/.cache/bazel_tools_python/workspace_output_base test --config=use_workspace_mode --config=python_3_9 //..." "tests (workspace mode and python 3.9)"
-
-# Run bazel test with bzlmod mode and python 3.12.
-run_command "bazel --output_base=$HOME/.cache/bazel_tools_python/python_3_12_output_base test --config=python_3_12 //..." "tests (bzlmod mode and python 3.12)"
-
-# Run bazel test with bzlmod mode.
-run_command "bazel test //..." "tests (bzlmod mode)"
-
-# Run python quality tools.
-run_command "bazel build --config=ruff_check --keep_going //..." "ruff_check"
-run_command "bazel build --config=ruff_format --keep_going //..." "ruff_format"
-run_command "bazel build --config=pylint --keep_going //..." "pylint"
-run_command "bazel build --config=black --keep_going //..." "black"
-run_command "bazel build --config=isort --keep_going //..." "isort"
-run_command "bazel build --config=mypy --keep_going //..." "mypy"
-
-# Run test workspace tests.
-run_command "test/run_all_tests.sh" "tests (in test workspace)"
-
-# Run buildifier.
-run_command "bazel run bazel/buildifier:check" "buildifier"
-
-# Run Eclipse-specific checks.
-run_command "bazel run //:copyright.check -- --fix" "eclipse copyright check"
-run_command "bazel test //:format.check" "eclipse format check"
-
-# Run security vulnerability scan.
-run_command "third_party/pip/check_vulnerabilities.sh" "security scan"
-
-# Print execution summary
-printf '%-37s | %-10s\n' "Command Name" "Status"
-printf '%-37s | %-10s\n' "-------------------------------------" "----------"
-
-for name in "${command_order[@]}"; do
-	status="${command_status[$name]}"
-
-	if [[ "$status" == "SUCCEEDED" ]]; then
-		printf "%-37s | ${GREEN}%-10s${RESET}\n" "$name" "$status"
-	else
-		printf "%-37s | ${RED}%-10s${RESET}\n" "$name" "$status"
-	fi
-done
-
-printf '%-37s | %-10s\n' "-------------------------------------" "----------"
+if [ "${workspace}" == "all" -o "${workspace}" == "main" ];then
+	# Run bazel test with workspace mode and python 3.9.
+	# TODO re-enable once the score targets (like //:docs) support bazel workspace mode and more than python 3.12
+	# run_command "bazel --output_base=$HOME/.cache/bazel_tools_python/workspace_output_base test --config=use_workspace_mode --config=python_3_9 //..." "tests (workspace mode and python 3.9)"
+
+	# Run bazel test with bzlmod mode and python 3.12.
+	run_command "bazel --output_base=$HOME/.cache/bazel_tools_python/python_3_12_output_base test --config=python_3_12 //..." "tests (bzlmod mode and python 3.12)"
+
+	# Run bazel test with bzlmod mode.
+	run_command "bazel test //..." "tests (bzlmod mode)"
+
+	# Run python quality tools.
+	run_command "bazel build --config=ruff_check --keep_going //..." "ruff_check"
+	run_command "bazel build --config=ruff_format --keep_going //..." "ruff_format"
+	run_command "bazel build --config=pylint --keep_going //..." "pylint"
+	run_command "bazel build --config=black --keep_going //..." "black"
+	run_command "bazel build --config=isort --keep_going //..." "isort"
+	run_command "bazel build --config=mypy --keep_going //..." "mypy"
+
+	# Run buildifier.
+	run_command "bazel run bazel/buildifier:check" "buildifier"
+
+	# Run Eclipse-specific checks.
+	run_command "bazel run //:copyright.check -- --fix" "eclipse copyright check"
+	run_command "bazel test //:format.check" "eclipse format check"
+
+	# Run security vulnerability scan.
+	run_command "third_party/pip/check_vulnerabilities.sh" "security scan"
+fi
+
+if [ "${workspace}" == "all" -o "${workspace}" == "test" ];then
+	# Run test workspace tests.
+	run_command "test/run_all_tests.sh" "tests (in test workspace)"
+fi
+
+if [ "${workspace}" == "all" -o "${workspace}" == "main" ];then
+	# Print execution summary
+	printf '%-37s | %-10s\n' "Command Name" "Status"
+	printf '%-37s | %-10s\n' "-------------------------------------" "----------"
+
+	for name in "${command_order[@]}"; do
+		status="${command_status[$name]}"
+
+		if [[ "$status" == "SUCCEEDED" ]]; then
+			printf "%-37s | ${GREEN}%-10s${RESET}\n" "$name" "$status"
+		else
+			printf "%-37s | ${RED}%-10s${RESET}\n" "$name" "$status"
+		fi
+	done
+
+	printf '%-37s | %-10s\n' "-------------------------------------" "----------"
+fi
 
 exit $exit_code
diff --git a/test/run_all_tests.sh b/test/run_all_tests.sh
index 9379b26..75082b0 100755
--- a/test/run_all_tests.sh
+++ b/test/run_all_tests.sh
@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 # *******************************************************************************
 # Copyright (c) 2025 Contributors to the Eclipse Foundation
 #
@@ -10,7 +11,7 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 # *******************************************************************************
-#!/usr/bin/env bash
+
 set -u
 
 GREEN='\033[0;32m'