DRIVERS-2467: Test $$type operator "number" alias (#1721)

Author: jmikola

source/unified-test-format/tests/valid-pass/operator-type-number_alias.json

@@ -0,0 +1,61 @@
+description: operator-type-number_alias
+
+schemaVersion: "1.0"
+
+createEntities:
+  - client:
+      id: &client0 client0
+  - database:
+      id: &database0 database0
+      client: *client0
+      databaseName: &database0Name test
+  - collection:
+      id: &collection0 collection0
+      database: *database0
+      collectionName: &collection0Name coll0
+
+initialData:
+  - collectionName: *collection0Name
+    databaseName: *database0Name
+    documents: []
+
+tests:
+  -
+    description: type number alias matches int32
+    operations:
+      - name: insertOne
+        object: *collection0
+        arguments:
+          document: { _id: 1, x: { $numberInt: "2147483647" } }
+      - &find
+        name: find
+        object: *collection0
+        arguments:
+          filter: { _id: 1 }
+          limit: 1
+        expectResult:
+          - { _id: 1, x: { $$type: "number" } }
+  -
+    description: type number alias matches int64
+    operations:
+      - name: insertOne
+        object: *collection0
+        arguments:
+          document: { _id: 1, x: { $numberLong: "9223372036854775807" } }
+      - *find
+  -
+    description: type number alias matches double
+    operations:
+      - name: insertOne
+        object: *collection0
+        arguments:
+          document: { _id: 1, x: { $numberDouble: "2.71828" } }
+      - *find
+  -
+    description: type number alias matches decimal128
+    operations:
+      - name: insertOne
+        object: *collection0
+        arguments:
+          document: { _id: 1, x: { $numberDecimal: "3.14159" } }
+      - *find