Fix non-deterministic test in test_es.py

[thehomebrewnerd]

Fix non-deterministic test in test_es.py. Failure showed up after switching from Koalas to the pyspark pandas API and failed because rows were returned in a different order with spark.

[codecov]

Codecov Report

Merging #1961 (8577a0f) into main (a166152) will decrease coverage by 0.08%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1961      +/-   ##
==========================================
- Coverage   98.99%   98.90%   -0.09%     
==========================================
  Files         146      146              
  Lines       16477    16477              
==========================================
- Hits        16311    16297      -14     
- Misses        166      180      +14     

Impacted Files	Coverage Δ
featuretools/tests/entityset_tests/test_es.py	100.00% <100.00%> (ø)
...utational_backend/test_calculate_feature_matrix.py	98.80% <0.00%> (-1.20%)	⬇️
...computational_backends/calculate_feature_matrix.py	99.16% <0.00%> (-0.84%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update a166152...8577a0f. Read the comment docs.

[rwedge]

LGTM