Remove chrome shunt from networkx tests, use standard assertions

test/packages/test_networkx.py

-from textwrap import dedent
-
 import pytest
 
-
 def test_networkx_basicgraph(selenium_standalone, request):
     selenium = selenium_standalone
-
-    if selenium.browser == 'chrome':
-        request.applymarker(pytest.mark.xfail(
-            run=False, reason='chrome not supported'))
-
-    selenium.load_package(['networkx', 'numpy'])
-    cmd = dedent(r"""
+    selenium.load_package(['networkx'])
+    cmd = """
         import networkx as nx
-        from numpy.testing import assert_equal
 
         G = nx.Graph()
         G.add_nodes_from([1,2,3])
         G.add_edges_from([(1,2), (1,3)])
 
-        assert_equal(3, G.number_of_nodes())
-        assert_equal(2, G.number_of_edges())
-        """)
+        assert G.number_of_nodes() == 3
+        assert G.number_of_edges() == 2
+        """
 
     selenium.run(cmd)