Merge pull request #221 from LedgerHQ/test_fixes #1078

Job	Run time
Compilation for NanoS, X, S+, and Stax (nanos, $NANOS_SDK)	1m 39s
Compilation for NanoS, X, S+, and Stax (nanox, $NANOX_SDK)	1m 45s
Compilation for NanoS, X, S+, and Stax (nanosp, $NANOSP_SDK)	1m 42s
Compilation for NanoS, X, S+, and Stax (stax, $STAX_SDK)	1m 55s
Tests on mainnet (nanos)	27s
Tests (nanos)	7m 48s
Tests with the Python library and legacy Bitcoin app	43s
Tests on mainnet (nanox)	28s
Tests (nanox)	8m 34s
Tests on mainnet (nanosp)	27s
Unit test	2m 18s
Tests (nanosp)	8m 35s
Tests on mainnet (stax)	31s
Tests (stax)	50m 3s
Tests with the JS library	1m 18s
Tests for rust client library	1m 40s
	1h 29m 53s

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