Test

Chore: Remove the initEngine methods, and update Warm test. #2086

Job	Run time
build test data	4m 18s
test with NullVM on Linux/x86_64 with ASan	4m 8s
test with NullVM on Linux/x86_64 with TSan	4m 18s
test with V8 on Linux/aarch64	5m 16s
test with V8 on Linux/x86_64	5m 3s
test with NullVM on Linux/x86_64	4m 21s
test with NullVM on Windows/x86_64	15m 18s
test with V8 on Linux/x86_64 with ASan	4m 55s
test with V8 on Linux/x86_64 with GCC	4m 50s
test with V8 on Linux/x86_64 with TSan	5m 25s
test with V8 on macOS/x86_64	18m 49s
test with Wasmtime on Linux/x86_64	4m 17s
test with WAMR interp on Linux/x86_64	4m 27s
test with Wasmtime on Linux/x86_64 with ASan	4m 55s
test with WAMR jit on Linux/x86_64	5m 3s
test with WasmEdge on macOS/x86_64	15m 57s
test with WAMR jit on macOS/x86_64	10m 20s
build with Wasmtime on Linux/aarch64	3m 55s
test with WasmEdge on Linux/x86_64	4m 4s
test with Wasmtime on macOS/x86_64	10m 36s
test with WAMR interp on macOS/x86_64	7m 58s
test with Wasmtime on Linux/s390x	6h 0m 22s
	8h 28m 35s

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