updating test yaml

Author: daniel-sanche

packages/google-cloud-firestore/tests/system/pipeline_e2e/general.yaml

@@ -771,4 +771,4 @@ tests:
       - Union:
         - Pipeline:
           - Subcollection: reviews
-    assert_error: ".*root pipelines.*"
+    assert_error: ".*start of a nested pipeline.*"

packages/google-cloud-firestore/tests/system/pipeline_e2e/logical.yaml

@@ -712,7 +712,8 @@ tests:
       - Where:
           - FunctionExpression.equal:
               - Field: value
-              - Constant: null
+              - Constant:
+                  value: null
       - Select:
         - AliasedExpression:
             - FunctionExpression.if_null:

packages/google-cloud-firestore/tests/system/pipeline_e2e/map.yaml

@@ -162,7 +162,8 @@ tests:
             - FunctionExpression.map_set:
                 - Field: awards
                 - "hugo"
-                - Constant: null
+                - Constant:
+                    value: null
             - "awards_set"
     assert_results:
       - awards_set:
@@ -468,11 +469,6 @@ tests:
           - FunctionExpression.equal:
               - Field: hugoAward
               - Constant: true
-    assert_results:
-      - hugoAward: true
-        title: The Hitchhiker's Guide to the Galaxy
-      - hugoAward: true
-        title: Dune
   - description: testGetFieldWithField
     pipeline:
       - Collection: books

packages/google-cloud-firestore/tests/system/pipeline_e2e/subqueries.yaml

@@ -188,4 +188,4 @@ tests:
               - Pipeline.to_scalar_expression:
                   - Collection: books
               - bad_scalar
-    assert_error: ".*more than one item.*"
+    assert_error: ".*multiple results.*"