Use chef 14 when testing inspec 3 or 4

Signed-off-by: Clinton Wolfe <[email protected]>

.travis.yml

@@ -53,22 +53,22 @@ matrix:
     env: SUITE=test:integration OS='missing-profile-fail-ubuntu-1804'
   - rvm: 2.6.3
     script: rake $SUITE
-    env: SUITE=test:integration OS='chef15-compatible-inspec-ubuntu-1804' CHEF_LICENSE="accept-no-persist"
-  - rvm: 2.6.3
-    script: rake $SUITE
-    env: SUITE=test:integration OS='gem-install-core-version4-centos-7'
+    env: SUITE=test:integration OS='chef15-compatible-inspec-ubuntu-1804'
+
+  # Next 4 suites test running inspec 3 or 4 on audit cookbook. This is only permitted on chef 14 or older.
   - rvm: 2.6.3
     script: rake $SUITE
-    env: SUITE=test:integration OS='gem-install-core-version3-centos-7'
+    env: SUITE=test:integration OS='gem-install-core-version4-centos-7' CHEF_VERSION=14
   - rvm: 2.6.3
     script: rake $SUITE
-    env: SUITE=test:integration OS='gem-install-core-version4-ubuntu-1804'
+    env: SUITE=test:integration OS='gem-install-core-version3-centos-7' CHEF_VERSION=14
   - rvm: 2.6.3
     script: rake $SUITE
-    env: SUITE=test:integration OS='gem-install-core-version3-ubuntu-1804'
+    env: SUITE=test:integration OS='gem-install-core-version4-ubuntu-1804' CHEF_VERSION=14
   - rvm: 2.6.3
     script: rake $SUITE
-    env: SUITE=test:integration OS='gem-install-core-version2-ubuntu-1804'
+    env: SUITE=test:integration OS='gem-install-core-version3-ubuntu-1804' CHEF_VERSION=14
+
   - rvm: 2.6.3
     script: rake $SUITE
     env: SUITE=test:integration OS='inspec-attributes-ubuntu-1804'