Remove single quoted args in qx, blows up builds

t/testrail-cases.t

@@ -10,12 +10,12 @@ is($? >> 8, 0, "Exit code OK running add, update, orphans");
 chomp $out;
 like($out,qr/fake\.test/,"Shows existing tests by default");
 
-@args = ($^X,qw{bin/testrail-cases -j 'TestProject' -t 'HAMBURGER-IZE HUMANITY' -d t/ --mock  -o --extension .test});
+@args = ($^X,qw{bin/testrail-cases -j "TestProject" -t "HAMBURGER-IZE HUMANITY" -d t/ --mock  -o --extension .test});
 $out = `@args`;
 chomp $out;
 like($out,qr/nothere\.test/,"Shows orphan tests");
 
-@args = ($^X,qw{bin/testrail-cases -j 'TestProject' -t 'HAMBURGER-IZE HUMANITY' -d t/ --mock  -m --extension .test});
+@args = ($^X,qw{bin/testrail-cases -j "TestProject" -t "HAMBURGER-IZE HUMANITY" -d t/ --mock  -m --extension .test});
 $out = `@args`;
 chomp $out;
 like($out,qr/t\/skipall\.test/,"Shows missing tests");