missing files to last commit

tests/test_charge_routing.py

+from evrouting.charge import shortest_path
+
+from .config import edge_case, get_graph
+
+
+def test_shortest_path():
+    G = get_graph(edge_case)
+
+    path = shortest_path(
+        G,
+        s=edge_case['s'],
+        t=edge_case['t'],
+        b_0=edge_case['b_0'],
+        b_t=edge_case['b_t'],
+        U=edge_case['U']
+    )
+
+    assert path == [(0, 2), (1, 0), (2, 0)]

tests/test_gasstation_routing.py

+from evrouting.gasstation import shortest_path
+
+from .config import edge_case, get_graph
+
+
+def test_shortest_path():
+    G = get_graph(edge_case)
+
+    path = shortest_path(
+        G,
+        s=edge_case['s'],
+        t=edge_case['t'],
+        b_0=edge_case['b_0'],
+        b_t=edge_case['b_t'],
+        U=edge_case['U']
+    )
+
+    assert path == [(0, 4), (2, 0)]