What are the expected results appearance of the slants of Po

What are the expected results (appearance of the slants) of:

Positive bile esculin

Negative salt tolerance

Positive salt tolerance

* Positive Bile-Esculin test: Black Brown Colour (Esculin converted to Esculetin)

*Negative Salt Tolerance test: Clear Transparent medium (Inability of organism to grow)

*PositiveSalt Tolerance test: Turbid translucent medium (Ability of organism to grow in salt medium)