Make local assert methods private in test classes

Change-Id: I1bed28a1eac3c7f84cc40841853b9540c72be265
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit.test/tst/org/eclipse/jgit/attributes/AttributesMatcherTest.java

@@ -391,7 +391,7 @@ public class AttributesMatcherTest {
 	 * @param target
 	 *            Target file path relative to repository's GIT_DIR
 	 */
-	public void assertMatched(String pattern, String target) {
+	private void assertMatched(String pattern, String target) {
 		boolean value = match(pattern, target);
 		assertTrue("Expected a match for: " + pattern + " with: " + target,
 				value);
@@ -406,7 +406,7 @@ public class AttributesMatcherTest {
 	 * @param target
 	 *            Target file path relative to repository's GIT_DIR
 	 */
-	public void assertNotMatched(String pattern, String target) {
+	private void assertNotMatched(String pattern, String target) {
 		boolean value = match(pattern, target);
 		assertFalse("Expected no match for: " + pattern + " with: " + target,
 				value);

org.eclipse.jgit.test/tst/org/eclipse/jgit/ignore/FastIgnoreRuleTest.java

@@ -465,7 +465,7 @@ public class FastIgnoreRuleTest {
 				split("/a/b/c/", '/').toArray());
 	}
 
-	public void assertMatched(String pattern, String path) {
+	private void assertMatched(String pattern, String path) {
 		boolean match = match(pattern, path);
 		String result = path + " is " + (match ? "ignored" : "not ignored")
 				+ " via '" + pattern + "' rule";
@@ -485,7 +485,7 @@ public class FastIgnoreRuleTest {
 				match);
 	}
 
-	public void assertNotMatched(String pattern, String path) {
+	private void assertNotMatched(String pattern, String path) {
 		boolean match = match(pattern, path);
 		String result = path + " is " + (match ? "ignored" : "not ignored")
 				+ " via '" + pattern + "' rule";

org.eclipse.jgit.test/tst/org/eclipse/jgit/ignore/IgnoreMatcherParametrizedTest.java

@@ -346,7 +346,7 @@ public class IgnoreMatcherParametrizedTest {
 	 *            Target file path relative to repository's GIT_DIR
 	 * @param assume
 	 */
-	public void assertMatched(String pattern, String target, Boolean... assume) {
+	private void assertMatched(String pattern, String target, Boolean... assume) {
 		boolean value = match(pattern, target);
 		if (assume.length == 0 || !assume[0].booleanValue())
 			assertTrue("Expected a match for: " + pattern + " with: " + target,
@@ -366,7 +366,7 @@ public class IgnoreMatcherParametrizedTest {
 	 *            Target file path relative to repository's GIT_DIR
 	 * @param assume
 	 */
-	public void assertNotMatched(String pattern, String target,
+	private void assertNotMatched(String pattern, String target,
 			Boolean... assume) {
 		boolean value = match(pattern, target);
 		if (assume.length == 0 || !assume[0].booleanValue())