In a season full of tests, the Bear River girls volleyball team has passed them all. When a share of the Pioneer Valley League title was on the line, the Lady Bruins beat rival Placer. When the Sac-Joaquin Section Division IV championship was put in front of them, they took it, beating five-time section champ Ripon Christian in the process. Today when the Lady Bruins (31-12) take on top-seeded Sacred Heart Prep (31-5) in the Norcal semifinals, they will be facing their toughest test to date. Sacred Heart Prep won the West Bay League championship, the Central Coast Section Championship …