Pin to stable Synapse server version; run 2 tests concurently

Author: wiggin77

Makefile

@@ -319,7 +319,7 @@ detach: setup-attach
 .PHONY: test
 test: apply webapp/node_modules install-go-tools
 ifneq ($(HAS_SERVER),)
-	$(GOBIN)/gotestsum -- -v -count=1 -p 1 -timeout=20m ./...
+	$(GOBIN)/gotestsum -- -v -count=1 -p 2 -timeout=20m ./...
 endif
 ifneq ($(HAS_WEBAPP),)
 	cd webapp && $(NPM) run test;
@@ -330,7 +330,7 @@ endif
 .PHONY: test-ci
 test-ci: apply webapp/node_modules install-go-tools
 ifneq ($(HAS_SERVER),)
-	$(GOBIN)/gotestsum --format standard-verbose --junitfile report.xml -- -p 1 ./...
+	$(GOBIN)/gotestsum --format standard-verbose --junitfile report.xml -- -p 2 ./...
 endif
 ifneq ($(HAS_WEBAPP),)
 	cd webapp && $(NPM) run test;

testcontainers/matrix/container.go

@@ -44,7 +44,7 @@ func StartMatrixContainer(t *testing.T, config MatrixTestConfig) *Container {
 
 	// Create container with Synapse using bridge networking with dynamic port assignment
 	req := testcontainers.ContainerRequest{
-		Image: "matrixdotorg/synapse:latest",
+		Image: "matrixdotorg/synapse:v1.119.0",
 		Env: map[string]string{
 			"SYNAPSE_SERVER_NAME":  config.ServerName,
 			"SYNAPSE_REPORT_STATS": "no",