diff --git a/src/test/java/tech/units/indriya/format/EBNFFormatTest.java b/src/test/java/tech/units/indriya/format/EBNFFormatTest.java
index 735e477b..31cc8232 100644
--- a/src/test/java/tech/units/indriya/format/EBNFFormatTest.java
+++ b/src/test/java/tech/units/indriya/format/EBNFFormatTest.java
@@ -126,7 +126,6 @@ public void testFormatN() {
 	}
 
     @Test
-    // TODO address https://github.com/unitsofmeasurement/uom-se/issues/145
     public void testFormatmm() {
         final String s = format.format(MILLI(METRE));
         assertEquals("mm", s);
diff --git a/src/test/java/tech/units/indriya/format/EBNFPrefixTest.java b/src/test/java/tech/units/indriya/format/EBNFPrefixTest.java
index 225726e6..376b2e68 100644
--- a/src/test/java/tech/units/indriya/format/EBNFPrefixTest.java
+++ b/src/test/java/tech/units/indriya/format/EBNFPrefixTest.java
@@ -41,6 +41,7 @@
 import static tech.units.indriya.unit.Units.METRE;
 
 import javax.measure.Quantity;
+import javax.measure.Unit;
 import javax.measure.format.UnitFormat;
 import javax.measure.quantity.Length;
 import javax.measure.quantity.Mass;
@@ -64,8 +65,6 @@ static void init() {
 	
 	@Test
 	public void testKilo() {
-		// TODO how to handle equals for units?
-		// assertEquals(KILOGRAM.getSymbol(), KILO(GRAM).getSymbol());
 		assertEquals(format.format(KILOGRAM), format.format(KILO(GRAM)));
 	}
 
@@ -124,7 +123,7 @@ public void testMilli4() {
 	}
 
 	@Test
-	public void testMicro2() {
+	public void testMicro() {
 		Quantity<Length> m1 = Quantities.getQuantity(1.0, Units.METRE);
 		assertNumberEquals(1d, m1.getValue(), 1E-12);
 		assertEquals("m", format.format(m1.getUnit()));
@@ -161,11 +160,39 @@ public void testQuetta() {
 		assertEquals("Ql", format.format(QUETTA(LITRE)));	
 	}
 	
+	@Test
+	public void testRonna() {
+		assertEquals("Rm", format.format(RONNA(METRE)));	
+	}
+	
+	@Test
+	public void testQuecto() {
+		assertEquals("ql", format.format(QUECTO(LITRE)));	
+	}
+	
 	@Test
 	public void testRonto() {
 		assertEquals("rg", format.format(RONTO(GRAM)));	
 	}
-
+	
+	@Test
+	public void testPArseMilli() {
+		final Unit<?> m = format.parse("mg");
+		assertEquals(m, MILLI(Units.GRAM));
+	}
+	
+	@Test
+	public void testParseRonna() {
+		final Unit<?> l = format.parse("Rm");
+		assertEquals(l, RONNA(METRE));	
+	}
+	
+	@Test
+	public void testParseQuecto() {
+		final Unit<?> v = format.parse("ql");
+		assertEquals(v, QUECTO(LITRE));	
+	}
+	
 	@Test
 	public void testHashMapAccessingMap() {
 		assertThat(LITRE.toString(), is("l"));
@@ -227,4 +254,16 @@ public void testZebi() {
 	public void testYobi() {
 		assertEquals("Yig", format.format(YOBI(GRAM)));	
 	}
+	
+	@Test
+	public void testParseKibiL() {
+		final Unit<?> v = format.parse("Kil");
+		assertEquals(v, KIBI(LITRE));
+	}
+	
+	@Test
+	public void testParseMebi() {
+		final Unit<?> l = format.parse("Mim");
+		assertEquals(l, MEBI(METRE));
+	}
 }