CDRIVER-4350 unskip mock tests and remove unnecessary skips (#1437)

* unskip mock tests referenced in CDRIVER-4350

* unskip `entity-client-storeEventsAsEntities`

As of #1220 the `storeEventsAsEntities` operation is supported in the test runner

* remove `/unified/entity-client-cmap-events` from skip-tests.txt

Test is already skipped in runner.c

* remove `/unified/entity-client-storeEventsAsEntities` from skip-tests.txt

Test is already skipped in runner.c

* remove `/unified/assertNumberConnectionsCheckedOut` from skip-tests.txt

Test is already skipped in runner.c

Author: kevinAlbs

.evergreen/etc/skip-tests.txt

@@ -30,18 +30,9 @@
 /ClientPool/pop_timeout # (CDRIVER-4348) precondition failed: duration_usec / 1000 >= 1990
 /Client/get_handshake_hello_response/pooled # (CDRIVER-4349) Assert Failure: "Unknown" != "PossiblePrimary"
 
-/inheritance/find/readPrefs # (CDRIVER-4350) request_matches_msg(): precondition failed: request
-/BulkOperation/error/unordered # (CDRIVER-4350) request_matches_msg(): precondition failed: request
-/command_monitoring/get_error # (CDRIVER-4350) request_matches_msg(): precondition failed: request
 /change_streams/legacy/change-streams # (CDRIVER-4350) Could not establish stream for node 127.0.0.1:8000: [TLS handshake failed: Connection timed out calling hello on '127.0.0.1:8000']
 /change_streams/legacy/change-streams-resume-allowlist # (CDRIVER-4350) Could not establish stream for node 127.0.0.1:8000: [TLS handshake failed: Connection timed out calling hello on '127.0.0.1:8000']
 /change_streams/legacy/change-streams-resume-errorLabels # (CDRIVER-4350) Could not establish stream for node 127.0.0.1:8000: [TLS handshake failed: Connection timed out calling hello on '127.0.0.1:8000']
-/Collection/find_with_opts/newoption # (CDRIVER-4350) request_matches_msg(): precondition failed: request
-/inheritance/replace_one/writeConcern # (CDRIVER-4350) request_matches_msg(): precondition failed: request
-/Collection/find_with_opts/newoption # (CDRIVER-4350) request_matches_msg(): precondition failed: request
-/unified/assertNumberConnectionsCheckedOut # (CDRIVER-4350) Could not establish stream for node 127.0.0.1:8000: [TLS handshake failed: Connection timed out calling hello on '127.0.0.1:8000']
-/unified/entity-client-cmap-events # (CDRIVER-4350) Could not establish stream for node 127.0.0.1:8000: [TLS handshake failed: Connection timed out calling hello on '127.0.0.1:8000']
-/unified/entity-client-storeEventsAsEntities # (CDRIVER-4350) Could not establish stream for node 127.0.0.1:8000: [TLS handshake failed: Connection timed out calling hello on '127.0.0.1:8000']
 /unified/entity-find-cursor # (CDRIVER-4350) Could not establish stream for node 127.0.0.1:8000: [TLS handshake failed: Connection timed out calling hello on '127.0.0.1:8000']
 /change_streams/legacy/change-streams-errors # (CDRIVER-4350) Could not establish stream for node 127.0.0.1:8000: [TLS handshake failed: Connection timed out calling hello on '127.0.0.1:8000'] (on ASAN Tests Ubuntu 18.04 build variant)
 

src/libmongoc/tests/unified/runner.c

@@ -37,8 +37,6 @@ typedef struct {
 skipped_unified_test_t SKIPPED_TESTS[] = {
    // CDRIVER-4001, DRIVERS-1781, and DRIVERS-1448: 5.0 cursor behavior
    {"poc-command-monitoring", "A successful find event with a getmore and the server kills the cursor"},
-   // CDRIVER-3867: drivers atlas testing (schema version 1.2)
-   {"entity-client-storeEventsAsEntities", SKIP_ALL_TESTS},
    // libmongoc does not have a distinct helper, so skip snapshot tests testing particular distinct functionality
    {"snapshot-sessions", "Distinct operation with snapshot"},
    {"snapshot-sessions", "Mixed operation with snapshot"},