test: Add more env variables to control testing

TESTING.md

@@ -40,6 +40,8 @@ Other vars have some additional behavior, that can be overridden, set or enabled
 * `WINRM_NTLM_USER` Use a different user for NTLM
 * `WINRM_NTLM_PASSWORD` Use a different password for NTLM
 * `WINRM_SKIP_TLS` If set, don't run checks via a TLS/HTTPS connection
+* `WINRM_SKIP_BASIC` If set, don't test basic auth
+* `WINRM_SKIP_UNENCRYPTED` If set, don't test HTTP connections
 * `WINRM_INSECURE` If set, disable certificate validation
 * `WINRM_TLS_CA` Path for a CA certificate to use
 * `WINRM_TLS_CERT` Path for a client certificate to use

check_test.go

@@ -62,19 +62,35 @@ func TestConfig_Run_WithError(t *testing.T) {
 }
 
 func TestConfig_Run_Basic(t *testing.T) {
+	if os.Getenv("WINRM_SKIP_BASIC") != "" {
+		t.Skip("WINRM_SKIP_BASIC has been set")
+	}
+
+	if os.Getenv("WINRM_SKIP_UNENCRYPTED") != "" {
+		t.Skip("WINRM_SKIP_UNENCRYPTED has been set")
+	}
+
 	c := buildEnvConfig(t, AuthBasic)
 
 	runCheck(t, c)
 }
 
 func TestConfig_Run_Basic_WithTLS(t *testing.T) {
+	if os.Getenv("WINRM_SKIP_BASIC") != "" {
+		t.Skip("WINRM_SKIP_BASIC has been set")
+	}
+
 	c := buildEnvConfig(t, AuthBasic)
 	setupTlsFromEnv(t, c)
 
 	runCheck(t, c)
 }
 
 func TestConfig_Run_NTLM(t *testing.T) {
+	if os.Getenv("WINRM_SKIP_UNENCRYPTED") != "" {
+		t.Skip("WINRM_SKIP_UNENCRYPTED has been set")
+	}
+
 	c := buildEnvConfig(t, AuthNTLM)
 
 	runCheck(t, c)