Add get_intel_mkl_version() to helper.py

Author: vlad-perevezentsev

dpnp/tests/helper.py

@@ -372,6 +372,24 @@ def not_excluded(dtype):
     return dtypes
 
 
+def get_intel_mkl_version():
+    """
+    Return the version of Intel MKL used by NumPy during testing.
+
+    The check is based on MKL backend name stored in Build Dependencies
+    and only applies if Intel NumPy is detected.
+    The version is extracted from the BLAS section of NumPy's build
+    information.
+
+    Return None if Intel MKL is not used.
+    """
+    if not is_intel_numpy():
+        return None
+
+    build_deps = numpy.show_config(mode="dicts")["Build Dependencies"]
+    return build_deps["blas"]["version"]
+
+
 def has_support_aspect16(device=None):
     """
     Return True if the device supports 16-bit precision floating point operations,