[FIX] google_drive: tests: hasSidebar param
[FIX] google_drive: tests: hasSidebar param

Rev. 5140d3d1 fixes the google_drive override of the Sidebar in
saas-16. The test specifies param 'sidebar: true', so that a
sidebar is instantiated by the FormView. This param has been
renamed to 'hasSidebar' by rev. 32b8cec in master, so the test
broke when rev. 5140d3d1 has been forwardported to master, and it
thus needed to be adapted.

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