Tiny bug fix - schema update

Author: jjacobson95

schema/expected_files.yaml

@@ -211,7 +211,7 @@ datasets:
     - target_class: Drug
       file: /tmp/prism_drugs.tsv
 
- pancpdo:
+  pancpdo:
     - target_class: Sample
       file: /tmp/pancpdo_samples.csv
     - target_class: Transcriptomics
@@ -221,4 +221,4 @@ datasets:
     - target_class: Drug
       file: /tmp/pancpdo_drugs.tsv
     - target_class: Drug Descriptor
-      file: /tmp/pancpdo_drug_descriptors.tsv
+      file: /tmp/pancpdo_drug_descriptors.tsv