fix: tests: Add bw filtered from results

tests/unit/lib/test_scaling.py

 """Unit tests for scaling.py."""
+import os
 from statistics import mean
 
 from sbws.lib import scaling
+from sbws.lib.resultdump import load_result_file, ResultSuccess
 
 
 def test_bw_filt():
@@ -38,3 +40,30 @@ def test_bw_filt():
     assert 10 == round(mean(bw_measurements))
     # Because 10 and 20 are bigger or equal than the mean
     assert 15 == scaling.bw_filt(bw_measurements)
+
+
+def test_bw_filt_from_results(root_data_path):
+    results_file = os.path.join(
+        root_data_path, ".sbws", "datadir", "2019-03-25.txt"
+    )
+    results = load_result_file(results_file)
+    bw_filts = {}
+    for fp, values in results.items():
+        success_results = [r for r in values if isinstance(r, ResultSuccess)]
+        if success_results:
+            bw_measurements = scaling.bw_measurements_from_results(
+                success_results
+            )
+            mu = round(mean(bw_measurements))
+            muf = scaling.bw_filt(bw_measurements)
+            bw_filts[fp] = (mu, muf)
+    for fp, values in bw_filts.items():
+        assert bw_filts[fp][0] <= bw_filts[fp][1]
+    assert 5526756 == bw_filts['117A456C911114076BEB4E757AC48B16CC0CCC5F'][0]
+    assert 5643086 == bw_filts['117A456C911114076BEB4E757AC48B16CC0CCC5F'][1]
+    assert 5664965 == bw_filts['693F73187624BE760AAD2A12C5ED89DB1DE044F5'][0]
+    assert 5774274 == bw_filts['693F73187624BE760AAD2A12C5ED89DB1DE044F5'][1]
+    assert 5508279 == bw_filts['270A861ABED22EC2B625198BCCD7B2B9DBFFC93C'][0]
+    assert 5583737 == bw_filts['270A861ABED22EC2B625198BCCD7B2B9DBFFC93C'][1]
+    assert 5379911 == bw_filts['E894C65997F8EC96558B554176EEEA39C6A43EF6'][0]
+    assert 5485088 == bw_filts['E894C65997F8EC96558B554176EEEA39C6A43EF6'][1]