[Telemetry] Fix failing spec

Update specs to provide suitable mocks after changes to
TelemetryCapability which support autoflow tabular views,
WTD-614.

platform/telemetry/src/TelemetryCapability.js

@@ -28,7 +28,7 @@ define(
                         telemetryService =
                             $injector.get("telemetryService");
                     } catch (e) {
-                        // $injector should throw is telemetryService
+                        // $injector should throw if telemetryService
                         // is unavailable or unsatisfiable.
                         $log.warn("Telemetry service unavailable");
                         telemetryService = null;

platform/telemetry/test/TelemetryCapabilitySpec.js

@@ -50,6 +50,9 @@ define(
                     }
                 });
 
+                mockTelemetryService.requestTelemetry
+                    .andReturn(mockPromise({}));
+
                 // Bubble up...
                 mockReject.then.andReturn(mockReject);