tests: Install build dependencies before using rpm-build

Before running rpm-build we need to bring in the build
dependencies that the SRPM requires.

tests/tests.yml

@@ -10,6 +10,7 @@
       with_items:
         - koji
         - rpm-build
+        - dnf-plugins-core
 
     - name: provision VM
       qemu_provision:
@@ -40,6 +41,9 @@
         - set_fact:
             srpmpath: "{{tmpd.path}}/{{srpm.stdout}}"
 
+        - name: install build dependencies
+          command: dnf builddep -y {{srpmpath}}
+
         - name: extract source rpm
           command: >
             rpmbuild --define "_srcrpmdir {{tmpd.path}}"