Fix dependency specification

Author: shwina

cuda_core/pyproject.toml

@@ -49,8 +49,8 @@ dependencies = [
 cu11 = ["cuda-bindings[all]==11.8.*"]
 cu12 = ["cuda-bindings[all]==12.*"]
 test = ["cython>=3.0", "setuptools", "pytest>=6.2.4"]
-test-cu11 = ["cuda-core[test]", "cupy-cuda11x", "nvidia-cuda-runtime-cu11"]  # runtime headers needed by CuPy
-test-cu12 = ["cuda-core[test]", "cupy-cuda12x", "nvidia-cuda-runtime-cu12"]  # runtime headers needed by CuPy
+test-cu11 = ["cuda-core[cu11,test]", "cupy-cuda11x", "nvidia-cuda-runtime-cu11"]  # runtime headers needed by CuPy
+test-cu12 = ["cuda-core[cu12,test]", "cupy-cuda12x", "nvidia-cuda-runtime-cu12"]  # runtime headers needed by CuPy
 
 [project.urls]
 homepage = "https://nvidia.github.io/cuda-python/"