Replace TestUtil.tryTranslating with .translate

The extra TLC4B and TLC settings aren't relevant for tests that only
check that translation fails.

src/test/java/de/tlc4b/analysis/UnsupportedConstructsTest.java

@@ -11,12 +11,12 @@ public class UnsupportedConstructsTest {
 	@Test(expected = NotSupportedException.class)
 	public void testExtends() throws Exception {
 		final String machine = "MACHINE test\n" + "EXTENDS foo\n PROMOTES bar\n" + "END";
-		tryTranslating(machine);
+		translate(machine);
 	}
 
 	@Test(expected = NotSupportedException.class)
 	public void testImplementation() throws Exception {
 		final String machine = "IMPLEMENTATION test REFINES foo END";
-		tryTranslating(machine);
+		translate(machine);
 	}
 }

src/test/java/de/tlc4b/util/TestUtil.java

@@ -79,13 +79,6 @@ public class TestUtil {
 		assertEquals(expectedB, actualB);
 	}
 
-	public static void tryTranslating(final String machineString) throws BCompoundException {
-		TLC4BGlobals.setForceTLCToEvalConstants(false);
-		ToolIO.setMode(ToolIO.TOOL);
-		Translator b2tlaTranslator = new Translator(machineString);
-		b2tlaTranslator.translate();
-	}
-
 	public static String translateTLA2B(String moduleName, String tlaString, String configString)
 			throws TLA2BException {
 		return de.tla2bAst.Translator.translateModuleString(moduleName, tlaString, configString);