package info.u_team.u_team_test;

import info.u_team.u_team_core.util.verify.JarSignVerifier;
import net.minecraftforge.fml.common.Mod;

@Mod(TestMod.MODID)
public class TestMod {
	
	public static final String MODID = "uteamtest";
	
	public TestMod() {
		JarSignVerifier.checkSigned(MODID);
		System.out.println("--------------------------------------- LOADING TEST MOD ---------------------------------------");
	}
}

package info.u_team.u_team_test;

import net.minecraftforge.fml.common.Mod;

@Mod(TestMod.MODID)
public class TestMod {
	
	public static final String MODID = "uteamtest";
	
	public TestMod() {
		System.out.println("--------------------------------------- LOADING TEST MOD ---------------------------------------");
	}
}

--- 
+++ 
@@ -1,5 +1,6 @@
 package info.u_team.u_team_test;
 
+import info.u_team.u_team_core.util.verify.JarSignVerifier;
 import net.minecraftforge.fml.common.Mod;
 
 @Mod(TestMod.MODID)
@@ -8,6 +9,7 @@
 	public static final String MODID = "uteamtest";
 	
 	public TestMod() {
+		JarSignVerifier.checkSigned(MODID);
 		System.out.println("--------------------------------------- LOADING TEST MOD ---------------------------------------");
 	}
 }
Check signed jar on testmod
