mbed_hal-flash tests failing inconsistently for NRF52840_DK

[studavekar]

Description

• Type: Bug
• Related issue: Increase clock tolerance in Flash HAL test #5831
• Priority: Minor

---

Bug

Target
NRF52840_DK

Toolchain:
GCC_ARM|ARM|IAR

Failure history :

http://mbed-ci-master-2.austin.arm.com:8081/view/mbed-os-raas/job/text_matrix_campeci/24/target=NRF52840_DK,toolchain=GCC_ARM/testReport/history/

cc : @marcuschangarm

[cmonr]

For reference, the specific failing test is in the progress of being disabled: #6535

IOTMORF-2289 has also been created internally.

[0xc0170]

For reference, the specific failing test is in the progress of being disabled: #6535

No disabling, investigation is needed for this one, latest failure here http://mbed-os-logs.s3-website-us-west-1.amazonaws.com/?prefix=logs/6673/1614

[0xc0170]

I believe this one can be closed, resolved via latest updates to nrf codebase. We haven't seen the error since.

cc @marcuschangarm