memory/size: Base10Size has 2 signs after dot

https://storjlabs.atlassian.net/browse/SG-398
https://storjlabs.atlassian.net/browse/SG-354

Change-Id: I70e5893f4fbb7f1afd2863321596732f34cb9700

Author: Qweder93

memory/size.go

@@ -131,17 +131,17 @@ func (size Size) Base10String() string {
 
 	switch {
 	case abs(size) >= EB*2/3:
-		return fmt.Sprintf("%.1f EB", size.EB())
+		return fmt.Sprintf("%.2f EB", size.EB())
 	case abs(size) >= PB*2/3:
-		return fmt.Sprintf("%.1f PB", size.PB())
+		return fmt.Sprintf("%.2f PB", size.PB())
 	case abs(size) >= TB*2/3:
-		return fmt.Sprintf("%.1f TB", size.TB())
+		return fmt.Sprintf("%.2f TB", size.TB())
 	case abs(size) >= GB*2/3:
-		return fmt.Sprintf("%.1f GB", size.GB())
+		return fmt.Sprintf("%.2f GB", size.GB())
 	case abs(size) >= MB*2/3:
-		return fmt.Sprintf("%.1f MB", size.MB())
+		return fmt.Sprintf("%.2f MB", size.MB())
 	case abs(size) >= KB*2/3:
-		return fmt.Sprintf("%.1f KB", size.KB())
+		return fmt.Sprintf("%.2f KB", size.KB())
 	}
 
 	return strconv.FormatInt(size.Int64(), 10) + " B"

memory/size_test.go

@@ -80,16 +80,16 @@ func TestBase10Size(t *testing.T) {
 		text string
 	}{
 		// basics
-		{1 * pb, "1.0 PB"},
-		{1 * eb, "1.0 EB"},
-		{1 * tb, "1.0 TB"},
-		{1 * gb, "1.0 GB"},
-		{1 * mb, "1.0 MB"},
-		{1 * kb, "1.0 KB"},
+		{1 * pb, "1.00 PB"},
+		{1 * eb, "1.00 EB"},
+		{1 * tb, "1.00 TB"},
+		{1 * gb, "1.00 GB"},
+		{1 * mb, "1.00 MB"},
+		{1 * kb, "1.00 KB"},
 		{1, "1 B"},
 		// complicated
-		{68 * tb, "68.0 TB"},
-		{256 * mb, "256.0 MB"},
+		{68 * tb, "68.00 TB"},
+		{256 * mb, "256.00 MB"},
 		{500, "500 B"},
 		{5, "5 B"},
 		{1, "1 B"},