EVCSBranchExists refactored

Author: host6

src/main/java/org/scm4j/vcs/api/exceptions/EVCSBranchExists.java

@@ -4,7 +4,7 @@ public class EVCSBranchExists extends EVCSException {
 
 	private static final long serialVersionUID = 1806733612822322930L;
 
-	public EVCSBranchExists(Exception e) {
-		super(e);
+	public EVCSBranchExists(String branchName) {
+		super("branch already exists: " + branchName);
 	}
 }

src/test/java/org/scm4j/vcs/api/exceptions/ExceptionsTest.java

@@ -21,10 +21,8 @@ public void testEVCSException() {
 
 	@Test
 	public void testEVCSBranchExists() {
-		Exception e = new Exception(TEST_MESSAGE);
-		EVCSBranchExists e1 = new EVCSBranchExists(e);
-		assertTrue(e1.getMessage().contains(TEST_MESSAGE));
-		assertEquals(e1.getCause(), e);
+		EVCSBranchExists e = new EVCSBranchExists(TEST_BRANCH_NAME);
+		assertTrue(e.getMessage().contains(TEST_BRANCH_NAME));
 	}
 
 	@Test