Annotation tests should cover all level of evidence

[zhx828]

The current list of mutations don't have any R1/R2 examples. We should include few to represent in resistance categories.

• [x] mutation
• [x] cna
• [x] fusion
• [x] sv

We should also look into whether Dx1-3. Px1-3 are covered.

[zhx828]

Tests are added in. https://github.com/knowledgesystems/oncokb-data/commit/dbf3969ad9c075b721052d5f9def6744139309be