Bug 1515320 - Fix functionality to retrieve the current search engine…

… in TestSearchCounts; r=janerik

Differential Revision: https://phabricator.services.mozilla.com/D14966

UltraBlame original commit: f558d2afb1abbdbd0f2152f763295970d80091a5

toolkit/components/telemetry/tests/marionette/tests/client/test_search_counts_across_sessions.py

@@ -38,7 +38,7 @@
 "
 
 def
-get_current_search_engine
+get_default_search_engine
 (
 self
 )
@@ -52,7 +52,7 @@
 identifier
 of
 the
-current
+default
 search
 engine
 .
@@ -104,7 +104,7 @@
 return
 searchService
 .
-currentEngine
+defaultEngine
 .
 identifier
 ;
@@ -149,7 +149,7 @@
 identifier
 of
 the
-current
+default
 
 search
 engine
@@ -187,7 +187,7 @@
 =
 self
 .
-get_current_search_engine
+get_default_search_engine
 (
 )