Fix expected import error.

test/expected.py

@@ -101,18 +101,18 @@ http_responses = {
 
 # HTTP request call stack instrumentation
 # Expected stack frames from http_stack_trace.html page
-expected_http_call_stack = [{"func_name": "inject_js",
-                             "filename": BASE_TEST_URL + "/http_stacktrace/http_stack_trace.html",  # noqa
-                             "line_no": "11",
-                             "col_no": "7",
-                             "async_cause": "null"
-                             },
-                            {"func_name": "onload",
-                             "filename": BASE_TEST_URL + "/http_stacktrace/http_stack_trace.html",  # noqa
-                             "line_no": "1",
-                             "col_no": "1",
-                             "async_cause": "null"
-                             }]
+http_call_stack = [{"func_name": "inject_js",
+                     "filename": BASE_TEST_URL + "/http_stacktrace/http_stack_trace.html",  # noqa
+                     "line_no": "11",
+                     "col_no": "7",
+                     "async_cause": "null"
+                     },
+                    {"func_name": "onload",
+                     "filename": BASE_TEST_URL + "/http_stacktrace/http_stack_trace.html",  # noqa
+                     "line_no": "1",
+                     "col_no": "1",
+                     "async_cause": "null"
+                     }]
 
 # Canvas Fingerprinting DB calls and property sets
 CANVAS_TEST_URL = u"%s/canvas_fingerprinting.html" % BASE_TEST_URL

test/test_http_instrumentation.py

@@ -57,4 +57,4 @@ class TestHTTPInstrument(OpenWPMTest):
             url, stacktrace = row
             if url.endswith("shared/test_script.js"):
                 stack_frames = parse_http_stack_trace_str(stacktrace)
-                assert stack_frames == expected_http_call_stack
+                assert stack_frames == expected.http_call_stack