Added indexes type tests for geospatial

[vic-tsang]

This PR contains:

• indexes type tests for geospatial

Ref:

• Issue Add compatibility test for core: indexes (14 total) #27

[documentdb-triage-tool]

🤖 Auto-triaged by documentdb-triage-tool.

Applied: compatibility test, enhancement
Project fields suggested: Component test-coverage · Priority P2 · Effort L · Status Needs Review
Confidence: 0.80 (mixed)

Reasoning

component from path globs (test-coverage, test-framework); effort from diff stats (1010+0 LOC, 5 files); LLM: Adds new geospatial index type test coverage under the compatibility tests path, expanding test suite for an important feature area.

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