[test suite] better job of cleaning up coverage files

test/init-lcov.sh

@@ -6,6 +6,10 @@ cd ..
 [ ! -d $TOP_DIR ] && mkdir $TOP_DIR
 [ -f $LCOV_BASE ] && rm -f $LCOV_BASE
 [ -f $LCOV_INFO ] && rm -f $LCOV_INFO
+[ -f $LCOV_INFO_TMP ] && rm -f $LCOV_INFO_TMP
+[ -f $LCOV_INFO_TMP2 ] && rm -f $LCOV_INFO_TMP2
+[ -f $LCOV_INFO_TMP3 ] && rm -f $LCOV_INFO_TMP3
+[ -f $LCOV_INFO_TMP4 ] && rm -f $LCOV_INFO_TMP4
 [ -f $LCOV_INFO_FINAL ] && rm -f $LCOV_INFO_FINAL
 [ -d $LCOV_RESULTS_DIR ] && rm -rf $LCOV_RESULTS_DIR
 [ ! -d $LCOV_RESULTS_DIR ] && mkdir $LCOV_RESULTS_DIR

test/rm-coverage-files.sh

 #!/bin/sh -x
 
 cd ..
-for d in client server lib
+for d in client server lib common
 do
     for s in *.gcda *.gcno *.gcov
     do