After Spending so much time trying to understand how come LimeTest Fails And why my board is still working, I have decided to try and help a bit with what I found out.
This is Result made by “LimeQuickTest_20180702_01e2d00.exe” that I have been told to download.
It seems it is not appropriate for some boards such as mine.
[ TESTING STARTED ]
->Start time: Thu Jun 13 22:29:20 2019
->Device: LimeSDR Mini, media=USB 2, module=FT601, serial=1D40EE3D36AF1C, index=0
Warning: USB3 not available
Serial Number: 1D40EE3D36AF1C
[ Clock Network Test ]
->REF clock test
Test results: 16606; 29803; 43000 - PASSED
->VCTCXO test
Results : 6711036 (min); 6711197 (max) - PASSED
->Clock Network Test PASSED
[ FPGA EEPROM Test ]
->Read EEPROM
->Read data: 12 06 1C 12 06 1C 02
->FPGA EEPROM Test PASSED
[ LMS7002M Test ]
->Perform Registers Test
->External Reset line test
Reg 0x20: Write value 0xFFFD, Read value 0xFFFD
Reg 0x20: value after reset 0x0FFFF
->LMS7002M Test PASSED
[ RF Loopback Test ]
->Configure LMS
SetFrequencySXT(1250 MHz) - cannot deliver frequency
TuneVCO(CGEN) - failed to lock (cmphl!=0)
SetFrequencyCGEN(122.88 MHz) failed
Failed to set sample rate
->RF Loopback Test FAILED
=> Board tests FAILED <=
Elapsed time: 2.79 seconds
“LimeSuiteGUI_20190513_b534e74.exe” did’t allow me to do any calibration either.
I flashed board via Linux with:
LimeUtil --update
(“LimeSDR-Mini_lms7_trx_HW_1.2_auto.rpd” update file manually via LimeSuitGui Didn’t work for me )
Than I Used LimeSDR-Mini_QuickTest_1v1 Download HERE
Run Tests again with LimeSDR-Mini_QuickTest_1v1 And test Results were Succesfull:
[ TEST STARTED ]
->Start time: Wed Jun 19 20:20:34 2019
->Device: LimeSDR Mini, media=USB 2, module=FT601, serial=1D40EE3D36AF1C, index=0
Serial Number: 1D40EE3D36AF1C
[ Clock Network Test ]
->REF clock test
Test results: 30328; 43525; 56722 - PASSED
->VCTCXO test
Results : 6711034 (min); 6711195 (max) - PASSED
->Clock Network Test PASSED
[ FPGA EEPROM Test ]
->Read EEPROM
data: 18 06 28 18 06 28 2
->FPGA EEPROM Test PASSED
[ LMS7002M Test ]
->Perform Registers Test
->External Reset line test
Reg 0x20: Write value 0xFFFD, Read value 0xFFFD
Reg 0x20: value after reset 0x0FFFF
->LMS7002M Test PASSED
[ RF Loopback Test ]
->Configure LMS
->Run Tests (TX_2 -> LNA_W):
->On board loopback test:
Test 1:(SXR=1000.0MHz, SXT=1005.0MHz, TXPAD=8): Result:(-17.8 dBFS, 5.00 MHz) - PASSED
->Configure LMS
->Run Tests (TX_1 -> LNA_H):
->On board loopback test:
Test 1:(SXR=2100.0MHz, SXT=2105.0MHz, TXPAD=8): Result:(-18.8 dBFS, 5.00 MHz) - PASSED
->RF Loopback Test PASSED
=> Board tests PASSED <=
Elapsed time: 7.67 seconds
Than close test utlity but did not remove LimeSDR-Mini ( let her stay green) I Open "LimeSuiteGUI_20190513_b534e74.exe and Pressed “Calibrate ALL”, than SAVE calibration File.
Than I was able to calibrate Board again.
I have no idea what is the reason my guess is that some boards, are shipped with different firmware and there must be so many version that it is a bit messy out there 
I hope this will help some of you.