CB-12639 (all) Tests: console.err() -> console.error()
diff --git a/tests/tests.js b/tests/tests.js
index 428208f..38571a0 100644
--- a/tests/tests.js
+++ b/tests/tests.js
@@ -54,7 +54,7 @@
                         window.removeEventListener("batterystatus", onEvent, false);
                     }
                     catch (e) {
-                        console.err('Error removing batterystatus event listener: ' + e);
+                        console.error('Error removing batterystatus event listener: ' + e);
                     }
                 }
             });
@@ -90,7 +90,7 @@
                         window.removeEventListener("batterylow", onEvent, false);
                     }
                     catch (e) {
-                        console.err('Error removing batterylow event listener: ' + e);
+                        console.error('Error removing batterylow event listener: ' + e);
                     }
                 }
             });
@@ -209,7 +209,7 @@
                         window.removeEventListener("batterycritical", onEvent, false);
                     }
                     catch (e) {
-                        console.err('Error removing batterycritical event listener: ' + e);
+                        console.error('Error removing batterycritical event listener: ' + e);
                     }
                 }
             });