Enable coverage testing on Fedora 30.
Now that coverage testing works reliably with gcc9 it makes sense to enable it for CI.
@@ -219,6 +219,7 @@ my $oyVm =
&VM_IMAGE => 'fedora:30',
&VM_ARCH => VM_ARCH_AMD64,
&VMDEF_PGSQL_BIN => '/usr/pgsql-{[version]}/bin',
+ &VMDEF_COVERAGE_C => true,
&VMDEF_DEBUG_INTEGRATION => false,
