diff --git a/xarray/tests/test_indexing.py b/xarray/tests/test_indexing.py
index 78a63cb380c..92c21cc32fb 100644
--- a/xarray/tests/test_indexing.py
+++ b/xarray/tests/test_indexing.py
@@ -913,7 +913,10 @@ def __array_function__(self, func, types, args, kwargs):
 
 
 def as_dask_array(arr, chunks):
-    import dask.array as da
+    try:
+        import dask.array as da
+    except ImportError:
+        return None
 
     return da.from_array(arr, chunks=chunks)