Add/update dev scripts and Github workflow

scripts/test.sh

@@ -1,17 +1,12 @@
 #!/usr/bin/env bash
-# Runs unit tests and prints only coverage percentage, if successful.
-# If an error occurs, prints the entire unit tests progress output.
+# Runs unit tests and reports coverage percentage.
 
-# Ensure that we return to the current working directory in case of an error:
-trap "cd $(realpath ${PWD})" ERR
-# Change into project root directory:
-cd "$(dirname $(dirname $(realpath $0)))"
+source "$(dirname $(realpath $0))/util.sh"
 
-coverage erase
-# Capture the test progression in a variable:
-typeset progress
-progress=$(coverage run 2>&1)
-# If tests failed or produced errors, write progress/messages to stderr and exit:
-[[ $? -eq 0 ]] || { >&2 echo "${progress}"; exit 1; }
-# Otherwise extract the total coverage percentage from the produced report and write it to stdout:
-coverage report | awk '$1 == "TOTAL" {print $NF; exit}'
+echo 'Running unit tests...'
+coverage run
+typeset percentage
+typeset color
+percentage="$(coverage report | awk '$1 == "TOTAL" {print $NF; exit}')"
+[[ $percentage == "100%" ]] && color="${bold_green}" || color="${yellow}"
+echo -e "${color}${percentage} coverage${color_reset}\n"