test/IFCFG: make sure the network-legacy plugin is being used

If the network-manager plugin is used instead, it wouldn't write out
ifcfg files and we wouldn't have anything to check.

While at that, also enable the test.

.travis.yml

@@ -11,6 +11,7 @@ env:
   - IMAGE=latest TESTS=50
   - IMAGE=latest TESTS=30
   - IMAGE=latest TESTS=31
+  - IMAGE=latest TESTS=60
   - IMAGE=latest TESTS=70
   - IMAGE=latest TESTS=99
   - IMAGE=latest TESTS=02

README.md

@@ -27,4 +27,5 @@ dracut is an initramfs infrastructure.
 - Test 31: [![Test 31](https://ci.centos.org/job/dracut-matrix-master/TESTS=31,label=dracut-ci-slave01/badge/icon)](https://ci.centos.org/job/dracut-matrix-master/TESTS=31,label=dracut-ci-slave01/)
 - Test 40: [![Test 40](https://ci.centos.org/job/dracut-matrix-master/TESTS=40,label=dracut-ci-slave01/badge/icon)](https://ci.centos.org/job/dracut-matrix-master/TESTS=40,label=dracut-ci-slave01/)
 - Test 50: [![Test 50](https://ci.centos.org/job/dracut-matrix-master/TESTS=50,label=dracut-ci-slave01/badge/icon)](https://ci.centos.org/job/dracut-matrix-master/TESTS=50,label=dracut-ci-slave01/)
+- Test 60: [![Test 60](https://ci.centos.org/job/dracut-matrix-master/TESTS=60,label=dracut-ci-slave01/badge/icon)](https://ci.centos.org/job/dracut-matrix-master/TESTS=60,label=dracut-ci-slave01/)
 - Test 70: [![Test 70](https://ci.centos.org/job/dracut-matrix-master/TESTS=70,label=dracut-ci-slave01/badge/icon)](https://ci.centos.org/job/dracut-matrix-master/TESTS=70,label=dracut-ci-slave01/)

test/TEST-60-IFCFG/test.sh

@@ -316,7 +316,7 @@ test_setup() {
     $basedir/dracut.sh -l -i "$TESTDIR"/overlay / \
         --no-early-microcode \
         -o "plymouth" \
-        -a "debug" \
+        -a "debug network-legacy" \
         -d "ipvlan macvlan af_packet piix sd_mod sr_mod ata_piix ide-gd_mod e1000 nfsv2 nfsv3 nfsv4 nfs_acl nfs_layout_nfsv41_files sunrpc i6300esb ib700wdt" \
         --no-hostonly-cmdline -N \
         -f "$TESTDIR"/initramfs.testing "$KVERSION" || return 1