BLD Added --strict and -r sxX to test scripts

[nicku33]

• no related issue in issue tracker
• no tests added because it was a minor build script change)
• modified shell script, no python syntax check required
• [] whatsnew entry
  Altered pytest output to show summaries for xFailed, xPassed and skipped
  Added --strict to align these convenience scripts with ci

it will now output summaries below like this

...
.........................s........s..s...............s........................................... [ 99%]
....................s...............sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss [ 99%]
sssssssssssssssssssssssssssssssssssssssssssssssss..                                               [100%]
======================================== short test summary info ========================================
SKIP [1] /Users/206673/open/pandas-nicku33/pandas/tests/io/test_packers.py:649: no blosc
SKIP [3] /Users/206673/open/pandas-nicku33/pandas/tests/io/parser/usecols.py:381: TODO: see gh-13253
SKIP [1] pandas/tests/plotting/test_series.py:667: Missing matplotlib dependency
SKIP [1] /Users/206673/open/pandas-nicku33/pandas/tests/tseries/offsets/test_offsets.py:164: cannot create out_of_range offset: TestBYearBegin object at 0x1259dbd50> year is out of range
...

[jreback]

thanks!