Add tests for error messages in 'misc' test group.

Fix expected message in the run.sh script. 

Add tests for errors from 'abc' command.

Add tests for commits: Add "wreduce -keepdc"; Add "fmcombine -initeq …

Add tests for commits:
- Add "wreduce -keepdc";
- Add "fmcombine -initeq -anyeq";
- Add "stat -tech xilinx";
- Add "synth_xilinx -arch".

Fix tests for misc/scc_feedback

Add checks for certain cell type into 'misc' tests.

Testing problems:

1.scc_feedback - Feedback is detected not in each case(with different
options).
2.splice/splice_port - No any changes in the dump after splice -port
command.
3.test_cell/test_cell_macc - ERROR: Assert `port_declared == true'
failed in kernel/rtlil.cc:1352.

Add checks for certain cell type into 'simple' tests.

New closed issues automated

Fix failed tests