TST: slow computation/test_eval.py tests need adjustment
https://travis-ci.org/pydata/pandas/jobs/134204278

I think #13311 broke some of these

here's some partial fixes

```
diff --git a/pandas/computation/tests/test_eval.py b/pandas/computation/tests/test_eval.py
index 4dc1e24..69b8830 100644
--- a/pandas/computation/tests/test_eval.py
+++ b/pandas/computation/tests/test_eval.py
@@ -248,7 +248,7 @@ class TestEvalNumexprPandas(tm.TestCase):
             for ex in (ex1, ex2, ex3):
                 result = pd.eval(ex, engine=self.engine,
                                  parser=self.parser)
-                tm.assert_numpy_array_equal(result, expected)
+                tm.assert_almost_equal(result, expected)

     def check_simple_cmp_op(self, lhs, cmp1, rhs):
         ex = 'lhs {0} rhs'.format(cmp1)
@@ -265,7 +265,8 @@ class TestEvalNumexprPandas(tm.TestCase):
         ex = 'lhs {0} rhs'.format(arith1)
         result = pd.eval(ex, engine=self.engine, parser=self.parser)
         expected = _eval_single_bin(lhs, arith1, rhs, self.engine)
-        tm.assert_numpy_array_equal(result, expected)
+
+        tm.assert_almost_equal(result, expected)
         ex = 'lhs {0} rhs {0} rhs'.format(arith1)
         result = pd.eval(ex, engine=self.engine, parser=self.parser)
         nlhs = _eval_single_bin(lhs, arith1, rhs,
@@ -280,8 +281,10 @@ class TestEvalNumexprPandas(tm.TestCase):
             # TypeError, AttributeError: series or frame with scalar align
             pass
         else:
+
+            # direct numpy comparison
             expected = self.ne.evaluate('nlhs {0} ghs'.format(op))
-            tm.assert_numpy_array_equal(result, expected)
+            tm.assert_numpy_array_equal(result.values, expected)

     # modulus, pow, and floor division require special casing
```
