[PATCH 1/6] tests: show logs

* examples/c/bistromathic/bistromathic.test, examples/test: here.
---
 examples/c/bistromathic/bistromathic.test | 6 +++---
 examples/test                             | 3 ++-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/examples/c/bistromathic/bistromathic.test b/examples/c/bistromathic/bistromathic.test
index 48b30a4c..c2d3dc37 100755
--- a/examples/c/bistromathic/bistromathic.test
+++ b/examples/c/bistromathic/bistromathic.test
@@ -45,7 +45,7 @@ echo >perfect '> 0
 echo >ok '0'
 echo '0' | prog >effective
 
-echo "checking for readline output"
+echo "checking for readline output..."
 if diff perfect effective; then
     # Alles ist gut.
     strip_prompt=false
@@ -269,8 +269,8 @@ fi
 # On Windows10/MSYS2 the ^G coming from <tab> completion is not
 # emitted the same way
 # (https://lists.gnu.org/r/bug-bison/2020-05/msg00076.html).
-echo "checking for kernel name"
-case `uname -s` in
+echo "checking for kernel name... $(uname -s)"
+case $(uname -s) in
   (MSYS*)
     echo "SKIP: this is Windows/MSYS"
     exit $status
diff --git a/examples/test b/examples/test
index f58eed9e..81076701 100755
--- a/examples/test
+++ b/examples/test
@@ -36,10 +36,11 @@ strip_prompt=false
 
 # If diff supports --strip-trailing-cr, use it, to avoid EOL issues
 # when testing Java programs on Windows.
-echo "checking for diff --strip-trailing-cr"
+echo "checking for diff --strip-trailing-cr..."
 if diff --strip-trailing-cr "$1" "$1"; then
   diff_opts=--strip-trailing-cr
 fi
+echo "checking for diff --strip-trailing-cr... $diff_opts"
 
 # The exercised program.
 abs_medir=$cwd/examples/$medir
-- 
2.26.2