Reduce test size

TODO.md

@@ -64,6 +64,7 @@
 - [ ] Sort these todo lists by priority
 
 - [ ] Automatically convert log, log10, log2, pow to the correct operators.
+- [ ] I think the simplification isn't working correctly (post-merging SymbolicUtils.)
 
 ## Feature ideas
 

test/test.py

@@ -135,10 +135,7 @@ class TestPipeline(unittest.TestCase):
             y,
             unary_operators=[],
             binary_operators=["+", "*", "/", "-"],
-            niterations=20,
-            populations=10,
-            annealing=False,
-            useFrequency=False,
+            **self.default_test_kwargs,
             Xresampled=Xresampled,
             denoise=True,
             select_k_features=2,