[skip changelog] Fix core search tests

Author: silvanocerza

Diff for: .flake8

@@ -3,6 +3,7 @@
 [flake8]
 max-line-length = 120
 ignore =
+    E203,
     E741,
     # W503 and W504 are mutually exclusive, so one or the other must be ignored.
     # PEP 8 recommends line break before, so we keep W504.

Diff for: test/test_core.py

@@ -104,11 +104,11 @@ def test_core_search_no_args(run_command, httpserver):
     num_platforms = 0
     lines = [l.strip().split() for l in result.stdout.strip().splitlines()]
     # Index update output and the header are printed on the first lines
-    assert ["Updating", "index:", "package_index.json", "downloaded"] in lines[:6]
-    assert ["Updating", "index:", "package_index.json.sig", "downloaded"] in lines[:6]
-    assert ["ID", "Version", "Name"] == lines[5]
-    assert ["test:x86", "2.0.0", "test_core"] in lines[6:]
-    num_platforms = len(lines[6:])
+    assert ["Updating", "index:", "package_index.json", "downloaded"] in lines
+    assert ["Updating", "index:", "package_index.json.sig", "downloaded"] in lines
+    assert ["test:x86", "2.0.0", "test_core"] in lines
+    header_index = lines.index(["ID", "Version", "Name"])
+    num_platforms = len(lines[header_index + 1 :])
 
     # same thing in JSON format, also check the number of platforms found is the same
     result = run_command("core search --format json")
@@ -123,11 +123,11 @@ def test_core_search_no_args(run_command, httpserver):
     num_platforms = 0
     lines = [l.strip().split() for l in result.stdout.strip().splitlines()]
     # Index update output and the header are printed on the first lines
-    assert ["Updating", "index:", "package_index.json", "downloaded"] in lines[:9]
-    assert ["Updating", "index:", "package_index.json.sig", "downloaded"] in lines[:9]
-    assert ["ID", "Version", "Name"] == lines[8]
-    assert ["test:x86", "2.0.0", "test_core"] in lines[9:]
-    num_platforms = len(lines[9:])
+    assert ["Updating", "index:", "package_index.json", "downloaded"] in lines
+    assert ["Updating", "index:", "package_index.json.sig", "downloaded"] in lines
+    assert ["test:x86", "2.0.0", "test_core"] in lines
+    header_index = lines.index(["ID", "Version", "Name"])
+    num_platforms = len(lines[header_index + 1 :])
 
     # same thing in JSON format, also check the number of platforms found is the same
     result = run_command(f"core search --format json --additional-urls={url}")