unit tests are not passing go 1.22 amd

[codeliger]

the unit tests didn't pass for me on go 1.22amd. They are all failing heres the first two:

--- FAIL: TestMain (0.22s)
    --- FAIL: TestMain/test_cases\measurements-1 (0.02s)
       billionlinechallenge\main_test.go:18: 
            	Error Trace:	billionlinechallenge/main_test.go:18
            	Error:      	Not equal: 
            	            	expected: "{Kunming=19.8/19.8/19.8}\r\n"
            	            	actual  : "{Kunming=0.0/0.0/0.0}\n"
            	            	
            	            	Diff:
            	            	--- Expected
            	            	+++ Actual
            	            	@@ -1,2 +1,2 @@
            	            	-{Kunming=19.8/19.8/19.8}
            	            	+{Kunming=0.0/0.0/0.0}
            	            	 
            	Test:       	TestMain/test_cases\measurements-1
    --- FAIL: TestMain/test_cases\measurements-10 (0.01s)
       billionlinechallenge\main_test.go:18: 
            	Error Trace:	billionlinechallenge/main_test.go:18
            	Error:      	Not equal: 
            	            	expected: "{Adelaide=15.0/15.0/15.0, Cabo San Lucas=14.9/14.9/14.9, Dodoma=22.2/22.2/22.2, Halifax=12.9/12.9/12.9, Karachi=15.4/15.4/15.4, Pittsburgh=9.7/9.7/9.7, Ségou=25.7/25.7/25.7, Tauranga=38.2/38.2/38.2, Xi'an=24.2/24.2/24.2, Zagreb=12.2/12.2/12.2}\r\n"
            	            	actual  : "{Adelaide=0.0/0.0/0.0, Cabo San Lucas=0.0/0.0/0.0, Dodoma=0.0/0.0/0.0, Halifax=0.0/0.0/0.0, Karachi=0.0/0.0/0.0, Pittsburgh=84.5/84.5/84.5, Ségou=0.0/0.0/0.0, Tauranga=0.0/0.0/0.0, Xi'an=0.0/0.0/0.0, Zagreb=0.0/0.0/0.0}\n"
            	            	
            	            	Diff:
            	            	--- Expected
            	            	+++ Actual
            	            	@@ -1,2 +1,2 @@
            	            	-{Adelaide=15.0/15.0/15.0, Cabo San Lucas=14.9/14.9/14.9, Dodoma=22.2/22.2/22.2, Halifax=12.9/12.9/12.9, Karachi=15.4/15.4/15.4, Pittsburgh=9.7/9.7/9.7, Ségou=25.7/25.7/25.7, Tauranga=38.2/38.2/38.2, Xi'an=24.2/24.2/24.2, Zagreb=12.2/12.2/12.2}
            	            	+{Adelaide=0.0/0.0/0.0, Cabo San Lucas=0.0/0.0/0.0, Dodoma=0.0/0.0/0.0, Halifax=0.0/0.0/0.0, Karachi=0.0/0.0/0.0, Pittsburgh=84.5/84.5/84.5, Ségou=0.0/0.0/0.0, Tauranga=0.0/0.0/0.0, Xi'an=0.0/0.0/0.0, Zagreb=0.0/0.0/0.0}