Add --no-config option

tests/integration_tests.rs

@@ -6,6 +6,7 @@ use std::process::Command;
 fn bat() -> Command {
     let mut cmd = Command::main_binary().unwrap();
     cmd.current_dir("tests/examples");
+    cmd.arg("--no-config");
     cmd
 }
 

tests/tester.rs

@@ -43,6 +43,7 @@ impl BatTester {
             .current_dir(self.temp_dir.path())
             .args(&[
                 "sample.rs",
+                "--no-config",
                 "--paging=never",
                 "--color=never",
                 "--decorations=always",