Use different assert to get a better error message

Author: jan

io.sloeber.tests/src/io/sloeber/core/BuildTests.java

@@ -902,8 +902,7 @@ public void issue1723() throws Exception {
         //There should be 1 lib in the project
         sloeberConf=ISloeberConfiguration.getActiveConfig(theTestProject, true);
 		Map<IPath, IArduinoLibraryVersion> usedLibs=sloeberConf.getUsedLibraries();
-		assertTrue(usedLibs.size()==1,"Private Lib not found");
-
+		assertEquals(1,usedLibs.size(),"Private Lib not found");
 
     }
 }