network: el9 tests - use make to build nmstate

Building nmstate from source for the tests requires using `make rpm`
instead of pip install for el9 and onwards.

Signed-off-by: Eitan Raviv <[email protected]>
Change-Id: I46bf7fa6acf29da41ed313252aa54a64c6b24ab1

Author: erav

tests/network/functional/run-tests.sh

@@ -35,14 +35,18 @@ function replace_resolvconf {
 }
 
 function install_nmstate_from_source {
+    BUILD_NMSTATE = "make rpm"
+    if grep -q "8" <<< $IMAGE_TAG ; then
+      BUILD_NMSTATE = "pip3 install --no-deps -U ."
+    fi
     container_exec "
         mkdir $NMSTATE_TMP \
         && \
         cp -rf $NMSTATE_WORKSPACE $NMSTATE_TMP/ \
         && \
         cd $NMSTATE_TMP/nmstate \
         && \
-        pip3 install --no-deps -U . \
+        $BUILD_NMSTATE \
         && \
         cd -
     "