tests/eas/acceptance: s/EXPECTED_BIG_BUSY_TIME_PCT/OFFLOAD_EXPECTED_B…

…USY_TIME_PCT/

EXPECTED_BIG_BUSY_TIME_PCT is a misleading name.  It actually is the
expected busy time for cpus in the offload migration test.  Rename it
accordingly.

tests/eas/acceptance.config

@@ -9,7 +9,7 @@
     "STEP_HIGH_DCYCLE" : 50,
     "EXPECTED_RESIDENCY_PCT" : 85,
     "OFFLOAD_MIGRATION_MIGRATOR_DELAY": 1,
-    "EXPECTED_BIG_BUSY_TIME_PCT": 99,
+    "OFFLOAD_EXPECTED_BUSY_TIME_PCT": 99,
     "TEST_CONF" : {
         "modules"  : [ "bl", "cpufreq" ],
         "tools"    : [ "rt-app" ],

tests/eas/acceptance.py

@@ -458,7 +458,7 @@ def test_big_cpus_fully_loaded(self):
                                                      self.env.target.bl.bigs,
                                                      window=window, percent=True)
 
-            expected_busy_time = EXPECTED_BIG_BUSY_TIME_PCT * \
+            expected_busy_time = OFFLOAD_EXPECTED_BUSY_TIME_PCT * \
                                  big_cpus_left / num_big_cpus
             msg = "Big tasks were not running on big cpus from {} to {}".format(
                 window[0], window[1])
@@ -483,7 +483,7 @@ def test_little_cpus_run_tasks(self):
 
         window_len = window[1] - window[0]
         expected_busy_time = window_len * num_offloaded_tasks * \
-                             EXPECTED_BIG_BUSY_TIME_PCT / 100.
+                             OFFLOAD_EXPECTED_BUSY_TIME_PCT / 100.
         msg = "Little cpus did not pick up big tasks while big cpus were fully loaded"
 
         self.assertGreater(busy_time, expected_busy_time, msg=msg)