Test for duplicated attributes in DependsOn

[clarisse-lau]

Would prevent #275

[adamjtaylor]

Have a test for this in the Issue #261

Current fixes required

• [ ] - "Diagnosis" has duplicate entries in DependsOn: ['Tumor Grade']
• [ ] - "SRRS Biospecimen" has duplicate entries in DependsOn: ['Ischemic Temperature', 'Ischemic Time']
• [ ] - "Bulk RNA-seq Level 2" has duplicate entries in DependsOn: ['HTAN Parent Data File ID']
• [ ] - "Bulk WES Level 3" has duplicate entries in DependsOn: ['Germline Variants Workflow Type']
• [ ] - "scmC-seq Level 1" has duplicate entries in DependsOn: ['Nucleic Acid Source']
• [ ] - "scmC-seq Level 2" has duplicate entries in DependsOn: ['Proportion Reads Mapped', 'Proportion Targets No Coverage']
• [ ] - "Bulk Methylation-seq Level 2" has duplicate entries in DependsOn: ['Proportion Targets No Coverage', 'Proportion Reads Duplicated']
• [ ] - "Mass Spectrometry Level 1" has duplicate entries in DependsOn: ['Protocol Link']
• [ ] - "Yes - Progression or Recurrence" has duplicate entries in DependsOn: ['Days to Recurrence']