Simplify CI workflow to use only Ubuntu and update test names

The CI workflow now runs unit tests only on ubuntu-latest instead of a matrix of OSes. Test project and header names were updated from 'test' to 'mylib' for consistency, and related CMake and file references were adjusted accordingly.

Author: sean-parent

.github/workflows/ci.yml

@@ -10,19 +10,8 @@ on:
 
 jobs:
   unit-tests:
-    name: Unit Tests (${{ matrix.name }})
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - name: Ubuntu
-            os: ubuntu-latest
-          - name: macOS
-            os: macos-latest
-          - name: Windows
-            os: windows-latest
-
-    runs-on: ${{ matrix.os }}
+    name: Unit Tests
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v5
@@ -50,7 +39,7 @@ jobs:
           # Create CMakeLists.txt that uses cpp-library
           cat > CMakeLists.txt << 'EOF'
           cmake_minimum_required(VERSION 3.20)
-          project(test VERSION 1.0.0)
+          project(mylib VERSION 1.0.0)
           
           include(../cmake/CPM.cmake)
           CPMAddPackage(NAME cpp-library SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/..)
@@ -60,12 +49,12 @@ jobs:
           cpp_library_setup(
               DESCRIPTION "Test library for cpp-library"
               NAMESPACE testlib
-              HEADERS test.hpp
+              HEADERS mylib.hpp
           )
           EOF
           
           # Create a simple header
-          cat > include/testlib/test.hpp << 'EOF'
+          cat > include/testlib/mylib.hpp << 'EOF'
           #pragma once
           namespace testlib {
               inline int get_value() { return 42; }
@@ -90,7 +79,7 @@ jobs:
       - name: Verify installation
         run: |
           # Check that package config was installed
-          if [ ! -f "${{ runner.temp }}/install/lib/cmake/testlib-test/testlib-testConfig.cmake" ]; then
+          if [ ! -f "${{ runner.temp }}/install/lib/cmake/testlib-mylib/testlib-mylibConfig.cmake" ]; then
             echo "Error: Package config not found"
             exit 1
           fi
@@ -106,15 +95,15 @@ jobs:
           cmake_minimum_required(VERSION 3.20)
           project(test-consumer)
           
-          find_package(testlib-test REQUIRED)
+          find_package(testlib-mylib REQUIRED)
           
           add_executable(consumer main.cpp)
-          target_link_libraries(consumer PRIVATE testlib::test)
+          target_link_libraries(consumer PRIVATE testlib::mylib)
           EOF
           
           # Create main.cpp
           cat > main.cpp << 'EOF'
-          #include <testlib/test.hpp>
+          #include <testlib/mylib.hpp>
           #include <iostream>
           int main() {
               std::cout << "Value: " << testlib::get_value() << std::endl;