make asserts that expect IllegalArgumentException less precise

This exception is thrown out of JVM code, and the presence or absence of an error message appears
to be implementation specific. Loosen the constrains for this assertion.

Author: ndimiduk

hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileBlockHeaderCorruption.java

@@ -132,8 +132,7 @@ public void testOnDiskSizeWithoutHeaderCorruptionFirstBlock() throws Exception {
           consumer.readFully();
           fail();
         } catch (Exception e) {
-          assertThat(e, new IsThrowableMatching().withInstanceOf(IllegalArgumentException.class)
-            .withMessage(startsWith("newLimit > capacity")));
+          assertThat(e, new IsThrowableMatching().withInstanceOf(IllegalArgumentException.class));
         }
         assertEquals(0, consumer.getItemsRead());
       }
@@ -203,8 +202,7 @@ public void testOnDiskSizeWithoutHeaderCorruptionSecondBlock() throws Exception
           consumer.readFully();
           fail();
         } catch (Exception e) {
-          assertThat(e, new IsThrowableMatching().withInstanceOf(IllegalArgumentException.class)
-            .withMessage(startsWith("newLimit > capacity")));
+          assertThat(e, new IsThrowableMatching().withInstanceOf(IllegalArgumentException.class));
         }
         assertEquals(1, consumer.getItemsRead());
       }