SystemTest_Check some errors from test script

[Bang Pham Huu]

There is some errors in system test from test script which need to be checked

testcases_services/test_open/test.sh: line 41: cd: No such file or directory
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
\r  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0\r100 22889    0     0  100 22889      0   155k --:--:-- --:--:-- --:--:--  157k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
\r  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0\r100 23207  100   318  100 22889   3131   220k --:--:-- --:--:-- --:--:--  221k
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
\r  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0\r100  2284    0     0  100  2284      0  16845 --:--:-- --:--:-- --:--:-- 17044
ERROR 1: /opt/rasdaman/source/systemtest/testcases_services/test_wcps/output/126-subsettingCrs.test.out, band 1: Failed to compute statistics, no valid pixels found in sampling.
ERROR 1: /opt/rasdaman/source/systemtest/testcases_services/test_wcps/oracle/126-subsettingCrs.oracle, band 1: Failed to compute statistics, no valid pixels found in sampling.
ERROR 1: /opt/rasdaman/source/systemtest/testcases_services/test_wcps/output/143-ranges-with-scalar-non-scalar.test.out, band 2: Failed to compute statistics, no valid pixels found in sampling.
ERROR 1: /opt/rasdaman/source/systemtest/testcases_services/test_wcps/output/143-ranges-with-scalar-non-scalar.test.out, band 3: Failed to compute statistics, no valid pixels found in sampling.
ERROR 1: /opt/rasdaman/source/systemtest/testcases_services/test_wcps/oracle/143-ranges-with-scalar-non-scalar.oracle, band 2: Failed to compute statistics, no valid pixels found in sampling.
ERROR 1: /opt/rasdaman/source/systemtest/testcases_services/test_wcps/oracle/143-ranges-with-scalar-non-scalar.oracle, band 3: Failed to compute statistics, no valid pixels found in sampling.
/opt/rasdaman/source/systemtest/util/common.sh: line 581: 31884 Aborted                 (core dumped) gdalinfo \"$oracle\" &> /dev/null
ERROR 1: /opt/rasdaman/source/systemtest/testcases_services/test_wcps/output/29-filter_image(lines).test.out, band 1: Failed to compute statistics, no valid pixels found in sampling.
ERROR 1: /opt/rasdaman/source/systemtest/testcases_services/test_wcps/oracle/29-filter_image(lines).oracle, band 1: Failed to compute statistics, no valid pixels found in sampling.
ERROR 1: /opt/rasdaman/source/systemtest/testcases_services/test_wcps/output/41-filter_calculation_reloaded.test.out, band 1: Failed to compute statistics, no valid pixels found in sampling.
ERROR 1: /opt/rasdaman/source/systemtest/testcases_services/test_wcps/oracle/41-filter_calculation_reloaded.oracle, band 1: Failed to compute statistics, no valid pixels found in sampling.
ERROR 1: /opt/rasdaman/source/systemtest/testcases_services/test_wcps/output/42-filter_calculation.test.out, band 1: Failed to compute statistics, no valid pixels found in sampling.
ERROR 1: /opt/rasdaman/source/systemtest/testcases_services/test_wcps/oracle/42-filter_calculation.oracle, band 1: Failed to compute statistics, no valid pixels found in sampling.