diff --git a/tests/data/conditional_sources.yaml b/tests/data/conditional_sources.yaml
new file mode 100644
index 0000000..a0d7891
--- /dev/null
+++ b/tests/data/conditional_sources.yaml
@@ -0,0 +1,29 @@
+context:
+  name: blpapi
+  version: "3.24.11"
+  blpapicpp_linux_version: ${{ version }}.1
+  blpapicpp_win_version: ${{ version }}.1
+  blpapicpp_osx_version: ${{ version }}.1
+
+package:
+  name: ${{ name|lower }}
+  version: ${{ version }}
+
+source:
+  - url: https://blpapi.bloomberg.com/repository/releases/python/${{ name }}-${{ version }}.tar.gz
+    sha256: 94dc699df262187b3afe4f163526aac67fb5982b008efe851836e9f1cd5358c1
+  - if: linux
+    then:
+      url: https://blpapi.bloomberg.com/download/releases/raw/files/blpapi_cpp_${{ blpapicpp_linux_version }}-linux.tar.gz
+      sha256: eb1a9aa834a969a8ccbbb04061274623659a1fb273abda4413b47fe59e7ee412
+      target_directory: blpapi
+  - if: win
+    then:
+      url: https://blpapi.bloomberg.com/download/releases/raw/files/blpapi_cpp_${{ blpapicpp_win_version }}-windows.zip
+      sha256: e63c0b75d50097194c425489a08cec9c0374ab7b8eafe5b015c076bb2432fa19
+      target_directory: blpapi
+  - if: osx and arm64
+    then:
+      url: https://blpapi.bloomberg.com/download/releases/raw/files/blpapi_cpp_${{ blpapicpp_osx_version }}-macos-arm64.tar.gz
+      sha256: fa96331edf06dd2342cb27771367516296067e94961ec6e600add1c2eed9c41d
+      target_directory: blpapi
diff --git a/tests/data/jolt-physics/ci_support/osx_arm64_.yaml b/tests/data/jolt-physics/ci_support/osx_arm64_.yaml
new file mode 100644
index 0000000..f271588
--- /dev/null
+++ b/tests/data/jolt-physics/ci_support/osx_arm64_.yaml
@@ -0,0 +1,20 @@
+MACOSX_DEPLOYMENT_TARGET:
+- '11.0'
+MACOSX_SDK_VERSION:
+- '11.0'
+c_stdlib:
+- macosx_deployment_target
+c_stdlib_version:
+- '11.0'
+channel_sources:
+- conda-forge
+channel_targets:
+- conda-forge main
+cxx_compiler:
+- clangxx
+cxx_compiler_version:
+- '16'
+macos_machine:
+- x86_64-apple-darwin13.4.0
+target_platform:
+- osx-arm64