Convert tests that parse an Extensions sequence to instead

net/data/parse_certificate_unittest/extensions_data_after_sequence.pem

Index: net/data/parse_certificate_unittest/extensions_data_after_sequence.pem
diff --git a/net/data/parse_certificate_unittest/extensions_data_after_sequence.pem b/net/data/parse_certificate_unittest/extensions_data_after_sequence.pem
index 0c56b1dafe55ab861aeae89a0b0d3fa68b2125d5..ce956c869959ffb1f4f2f8513f32cc018b8733e0 100644
--- a/net/data/parse_certificate_unittest/extensions_data_after_sequence.pem
+++ b/net/data/parse_certificate_unittest/extensions_data_after_sequence.pem
@@ -1,10 +1,18 @@
-$ openssl asn1parse -i < [EXTENSIONS]
-    0:d=0  hl=2 l=  18 cons: SEQUENCE          
-    2:d=1  hl=2 l=  14 cons:  SEQUENCE          
-    4:d=2  hl=2 l=   3 prim:   OBJECT            :X509v3 Key Usage
-    9:d=2  hl=2 l=   1 prim:   BOOLEAN           :255
-   12:d=2  hl=2 l=   4 prim:   OCTET STRING      [HEX DUMP]:030203B8
-   18:d=1  hl=2 l=   0 prim:  NULL              
------BEGIN EXTENSIONS-----
-MBIwDgYDVR0PAQH/BAQDAgO4BQA=
------END EXTENSIONS-----
+#-----BEGIN EXTENSIONS-----
+SEQUENCE {
+  SEQUENCE {
+    # keyUsage
+    OBJECT_IDENTIFIER { 2.5.29.15 }
+    BOOLEAN { `ff` }
+    OCTET_STRING {
+      BIT_STRING { `03b8` }
+    }
+  }
+  NULL {}
+}
+#-----END EXTENSIONS-----
+
+
+-----BEGIN CERTIFICATE-----
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
+-----END CERTIFICATE-----