Revert "spec: Suppress the app.importCertificate test"
Revert "spec: Suppress the app.importCertificate test"

This reverts commit 5ccae79ea725b945815d222a79c1d963aefd1280.

seanchas116/electron,thomsonreuters/electron,electron/electron,bpasero/electron,gerhardberger/electron,the-ress/electron,shiftkey/electron,thomsonreuters/electron,seanchas116/electron,shiftkey/electron,bpasero/electron,gerhardberger/electron,electron/electron,bpasero/electron,electron/electron,Floato/electron,electron/electron,the-ress/electron,bpasero/electron,the-ress/electron,gerhardberger/electron,seanchas116/electron,seanchas116/electron,thomsonreuters/electron,electron/electron,bpasero/electron,electron/electron,shiftkey/electron,Floato/electron,electron/electron,the-ress/electron,thomsonreuters/electron,the-ress/electron,shiftkey/electron,the-ress/electron,shiftkey/electron,Floato/electron,bpasero/electron,Floato/electron,gerhardberger/electron,thomsonreuters/electron,Floato/electron,gerhardberger/electron,seanchas116/electron,gerhardberger/electron,shiftkey/electron,thomsonreuters/electron,Floato/electron,gerhardberger/electron,seanchas116/electron,bpasero/electron,the-ress/electron