Add missing test Base64Test.testIsBase64Standard(byte, boolean)

Author: garydgregory

src/test/java/org/apache/commons/codec/binary/Base64Test.java

@@ -776,6 +776,12 @@ void testIsBase64(final byte[] arrayOctet, final boolean match) {
         assertEquals(match, Base64.isBase64(arrayOctet));
     }
 
+    @ParameterizedTest
+    @MethodSource("testIsBase64Url")
+    void testIsBase64Standard(final byte octet, final boolean match) {
+        assertEquals(match, Base64.isBase64Standard(octet));
+    }
+
     @ParameterizedTest
     @MethodSource
     void testIsBase64Url(final byte octet, final boolean match) {