[REGRESSION] Possible fixes for multiple regressions in CI (- WIP $41 &

#46 & #49 -)

Changes in file .github/workflows/Tests.yml:
 - use same setup as real test when checking for regressions

Changes in file tests/check_cc_lines:
 - workaround for missing `shlock`

Changes in file tests/check_codecov:
 - workaround for missing `shlock`

.github/workflows/Tests.yml

@@ -93,7 +93,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Setup dependencies
       run: |
-        python -m pip install --upgrade pip setuptools wheel
+        python -m pip install --upgrade pip setuptools build wheel
         pip install -r ./requirements.txt
     - name: Pre-build
       id: bootstrap
@@ -401,11 +401,11 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies for python ${{ matrix.python-version }} on ${{ matrix.os }}
       run: |
-        pip install --upgrade pip setuptools wheel
-        pip install -r ./requirements.txt ;
-        pip install coverage ;
-        pip install pytest ;
-        pip install pytest-cov ;
+        pip install --upgrade --upgrade-strategy eager pip setuptools build wheel ;
+        pip install --upgrade --upgrade-strategy eager -r ./requirements.txt ;
+        pip install --upgrade --upgrade-strategy eager pytest ;
+        pip install --upgrade --upgrade-strategy eager pytest-cov ;
+        pip install --upgrade --upgrade-strategy eager coverage ;
       if: ${{ !cancelled() }}
     - name: Pre-Clean
       id: clean-prep

tests/check_cc_lines

@@ -71,6 +71,9 @@ test -x $(command -v grep) || exit 126 ;
 test -x $(command -v curl) || exit 126 ;
 test -x $(command -v find) || exit 126 ;
 test -x $(command -v git) || exit 126 ;
+hash -p ./.github/tool_shlock_helper.sh shlock || exit 255 ;
+test -x "$(command -v shlock)" || exit 126 ;
+
 
 function cleanup() {
 	rm -f ${LOCK_FILE} 2>/dev/null || true ; wait ;

tests/check_codecov

@@ -71,11 +71,13 @@ EXIT_CODE=0
 
 test -x $(command -v grep) || exit 126 ;
 test -x $(command -v curl) || exit 126 ;
+hash -p ./.github/tool_shlock_helper.sh shlock || exit 255 ;
+test -x "$(command -v shlock)" || exit 126 ;
 test -x $(command -v gpgv) || exit 126 ;
 test -x $(command -v shasum) || exit 126 ;
 
 # sorry no windows support here
-if [[ $( \uname -s ) == "Darwin" ]] ; then
+if [[ $( \uname -s ) == "*arwin" ]] ; then
 	CI_OS="macos"
 else
 	CI_OS="linux"