添加chart颜色颠倒的单元测试模块

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test/test_chart.py

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+from nose.tools import assert_equal
+from pyecharts.charts import Line
+
+
+def test_chart_append_color():
+    x_data = ["周一", "周二", "周三", "周四", "周五", "周六", "周日"]
+    y_data1 = [140, 232, 101, 264, 90, 340, 250]
+    y_data2 = [120, 282, 111, 234, 220, 340, 310]
+
+    c = (
+        Line()
+            .add_xaxis(xaxis_data=x_data)
+            .add_yaxis(
+            series_name="品类 1",
+            y_axis=y_data1,
+            color='#80FFA5')
+            .add_yaxis(
+            series_name="品类 2",
+            y_axis=y_data2,
+            color='#00DDFF')
+    )
+    c.render()
+    default_colors = (
+        "#c23531 #2f4554 #61a0a8 #d48265 #749f83 #ca8622 #bda29a #6e7074 "
+        "#546570 #c4ccd3 #f05b72 #ef5b9c #f47920 #905a3d #fab27b #2a5caa "
+        "#444693 #726930 #b2d235 #6d8346 #ac6767 #1d953f #6950a1 #918597"
+    ).split()
+    expected_result = ['#80FFA5', '#00DDFF', *default_colors]
+    assert_equal(c.colors, expected_result)