added test_clean_pandas_column_names

tests/test_data_PandasData.py

@@ -106,4 +106,14 @@ def test_has_retention_times(filename, expected):
 def test_has_retention_indices(filename, expected):
     filepath = os.path.join(testdata_dir, filename)
     data = PandasDataBuilder().with_filename(filepath).build()
-    assert data.has_retention_indices() == expected
+    assert data.has_retention_indices() == expected
+
+def test_clean_pandas_column_names():
+    #arrange
+    expected = ["rt"]
+    builder = PandasDataBuilder().with_filename(os.path.join(testdata_dir, "minimal_unclean_colnames.csv"))
+    #act
+    actual = list(builder.build()._data.columns)
+    #assert
+    assert set(expected) <= set(actual)
+